Manthei; James A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Manthei; James A..The latest application filed is for "method for making an outdoor fireplace".
- Manthei; James A. - Petoskey MI
| Patent | Date |
|---|---|
| Cast concrete fireplace Grant D727,485 - Manthei , et al. April 21, 2 | 2015-04-21 |
| Process and apparatus for demolding and palletizing cast concrete blocks Grant 8,968,623 - Manthei March 3, 2 | 2015-03-03 |
| Method For Making An Outdoor Fireplace App 20150027435 - Manthei; James A. ; et al. | 2015-01-29 |
| Process And Apparatus For Demolding And Palletizing Cast Concrete Blocks App 20120025422 - Manthei; James A. | 2012-02-02 |
| Form for casting concrete blocks and other objects Grant 7,687,006 - Manthei , et al. March 30, 2 | 2010-03-30 |
| Method and apparatus for forming concrete blocks Grant 7,618,578 - Manthei , et al. November 17, 2 | 2009-11-17 |
| Concrete block simulating natural stone Grant D589,631 - Manthei , et al. March 31, 2 | 2009-03-31 |
| Concrete block simulating natural stone Grant D589,162 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,159 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,167 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,165 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,164 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,169 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,168 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,166 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,161 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,163 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Concrete block simulating natural stone Grant D589,160 - Manthei , et al. March 24, 2 | 2009-03-24 |
| Form For Casting Concrete Blocks And Other Objects App 20080277559 - Manthei; James A. ; et al. | 2008-11-13 |
| Concrete retaining wall block App 20080159815 - Manthei; James A. ; et al. | 2008-07-03 |
| Method And Apparatus For Forming Concrete Blocks App 20080116352 - Manthei; James A. ; et al. | 2008-05-22 |
| Protruding planter block for retaining wall Grant 6,874,293 - Manthei April 5, 2 | 2005-04-05 |
| Form for manufacturing concrete blocks for freestanding walls Grant 6,854,702 - Manthei , et al. February 15, 2 | 2005-02-15 |
| Method for handling concrete retaining wall blocks Grant 6,835,343 - Manthei , et al. December 28, 2 | 2004-12-28 |
| Protruding planter block for retaining wall App 20040182038 - Manthei, James A. | 2004-09-23 |
| Retaining wall blocks and retaining walls constructed from such blocks Grant 6,715,965 - Manthei , et al. April 6, 2 | 2004-04-06 |
| Method for casting concrete retaining wall blocks App 20030160147 - Manthei, James A. | 2003-08-28 |
| Form for manufacturing concrete blocks for freestanding walls App 20030127581 - Manthei, Benjamin R. ; et al. | 2003-07-10 |
| Method and apparatus for handling concrete retaining wall blocks App 20020030303 - Manthei, Benjamin R. ; et al. | 2002-03-14 |
| Form For Manufacturing Concrete Retaining Wall Blocks App 20010026734 - Manthei , James A. | 2001-10-04 |
| Retaining wall blocks and retaining walls constructed from such blocks App 20010019684 - Manthei, Benjamin R. ; et al. | 2001-09-06 |
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