Krupa; Calvin S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krupa; Calvin S..The latest application filed is for "air tight gas circulating container".
Company Profile
2.57.7
- Krupa; Calvin S. - Greenfield MN
- Krupa; Calvin S. - Rockford MN
- Krupa; Calvin S. - Medina MN
- Krupa; Calvin S. - Hamel MN
- Krupa; Calvin S. - Plymouth MN
- Krupa; Calvin S. - Osseo MN
Patent Activity
| Patent | Date |
|---|---|
| Air tight gas circulating container Grant 10,464,732 - Krupa , et al. No | 2019-11-05 |
| Air Tight Gas Circulating Container App 20190047768 - Krupa; Calvin S. ; et al. | 2019-02-14 |
| Covered seafood tray Grant D820,107 - Krupa June 12, 2 | 2018-06-12 |
| Single Serve Brewing Package App 20160332805 - Krupa; Calvin S. ; et al. | 2016-11-17 |
| Biodegradable and compostable single-serve beverage ingredient package Grant 8,960,489 - Footz , et al. February 24, 2 | 2015-02-24 |
| Biodegradable And Compostable Single-serve Beverage Ingredient Package App 20140332547 - Footz; Darren Joseph ; et al. | 2014-11-13 |
| Food service tray Grant D701,429 - Krupa March 25, 2 | 2014-03-25 |
| Bakeable Tray And Method Of Preparing Bakery Items Using Such A Bakeable Tray App 20140065273 - Krupa; Calvin S. | 2014-03-06 |
| Biodegradable food service container Grant 8,636,168 - Krupa January 28, 2 | 2014-01-28 |
| Food service container Grant 8,561,823 - Krupa October 22, 2 | 2013-10-22 |
| Biodegradable food service container Grant D687,705 - Krupa August 13, 2 | 2013-08-13 |
| Biodegradable, compostable food container Grant D665,663 - Krupa August 21, 2 | 2012-08-21 |
| Clamshell Grant D664,425 - Krupa July 31, 2 | 2012-07-31 |
| Biodegradable, compostable food container Grant D627,635 - Krupa November 23, 2 | 2010-11-23 |
| Picnic kit assembly Grant D625,994 - Krupa October 26, 2 | 2010-10-26 |
| Container for frozen cake batter Grant 6,550,630 - Krupa April 22, 2 | 2003-04-22 |
| Shrinkable tray with attachable lids Grant 6,478,181 - Krupa , et al. November 12, 2 | 2002-11-12 |
| Shipping And Baking Package For Food Items App 20020108880 - Krupa, Calvin S. ; et al. | 2002-08-15 |
| Vegetable container Grant D421,695 - Krupa , et al. March 21, 2 | 2000-03-21 |
| Food container Grant D395,985 - Krupa , et al. July 14, 1 | 1998-07-14 |
| Food container Grant D395,796 - Krupa , et al. July 7, 1 | 1998-07-07 |
| Chicken container Grant D394,807 - Krupa , et al. June 2, 1 | 1998-06-02 |
| Pie container Grant D391,850 - Krupa , et al. March 10, 1 | 1998-03-10 |
| Egg carton Grant D385,780 - Krupa , et al. November 4, 1 | 1997-11-04 |
| Fruit container Grant D385,784 - Krupa , et al. November 4, 1 | 1997-11-04 |
| Fruit box Grant 5,653,345 - Knoss , et al. August 5, 1 | 1997-08-05 |
| Fruit container Grant D380,381 - Krupa , et al. July 1, 1 | 1997-07-01 |
| Fruit container Grant D379,300 - Krupa , et al. May 20, 1 | 1997-05-20 |
| Stackable berry container with hinged lid Grant D378,192 - Krupa , et al. February 25, 1 | 1997-02-25 |
| Stackable berry container with hinged lid Grant D377,450 - Krupa , et al. January 21, 1 | 1997-01-21 |
| Fruit box Grant 5,590,805 - Knoss , et al. January 7, 1 | 1997-01-07 |
| Food container Grant D376,314 - Krupa December 10, 1 | 1996-12-10 |
| Cake container Grant D374,820 - Knoss , et al. October 22, 1 | 1996-10-22 |
| Food container Grant D371,940 - Krupa July 23, 1 | 1996-07-23 |
| Base for angel food cakes Grant D371,964 - Krupa July 23, 1 | 1996-07-23 |
| Egg container Grant D371,961 - Krupa , et al. July 23, 1 | 1996-07-23 |
| Clamshell container for food items Grant 5,497,894 - Krupa , et al. March 12, 1 | 1996-03-12 |
| Clamshell container for food items Grant D365,272 - Krupa , et al. December 19, 1 | 1995-12-19 |
| Shrimp package with hinged lid Grant D364,090 - Krupa November 14, 1 | 1995-11-14 |
| Blueberry container Grant D363,879 - Krupa , et al. November 7, 1 | 1995-11-07 |
| Container for herbs Grant D363,022 - Krupa , et al. October 10, 1 | 1995-10-10 |
| Blueberry container Grant 5,456,379 - Krupa , et al. October 10, 1 | 1995-10-10 |
| Clamshell package for cored pineapple fruit Grant D361,714 - Krupa August 29, 1 | 1995-08-29 |
| Berry box Grant D361,036 - Krupa * August 8, 1 | 1995-08-08 |
| Berry box Grant D361,035 - Krupa August 8, 1 | 1995-08-08 |
| Fruit container Grant D360,825 - Knoss , et al. August 1, 1 | 1995-08-01 |
| Fruit box Grant D359,901 - Knoss , et al. July 4, 1 | 1995-07-04 |
| Food package with hinged lid Grant D354,435 - Krupa * January 17, 1 | 1995-01-17 |
| Food package with hinged lid Grant D354,436 - Krupa * January 17, 1 | 1995-01-17 |
| Pastry package Grant D352,454 - Krupa November 15, 1 | 1994-11-15 |
| Food package with hinged lid Grant D351,999 - Krupa November 1, 1 | 1994-11-01 |
| Rose box with interchangeable lid and base Grant 5,356,023 - Krupa October 18, 1 | 1994-10-18 |
| Fruit clamshell container Grant D346,552 - Krupa May 3, 1 | 1994-05-03 |
| Storage and display container for food Grant D346,554 - Krupa May 3, 1 | 1994-05-03 |
| Tray for baked goods Grant D345,894 - Krupa April 12, 1 | 1994-04-12 |
| Container for baked food products Grant D345,912 - Krupa April 12, 1 | 1994-04-12 |
| Snack food container with lid Grant D344,660 - Krupa March 1, 1 | 1994-03-01 |
| Berry box Grant D343,576 - Krupa January 25, 1 | 1994-01-25 |
| Container with cover Grant D329,572 - Krupa September 22, 1 | 1992-09-22 |
| Heating pack containing a granular chemical composition Grant 3,980,070 - Krupa September 14, 1 | 1976-09-14 |
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