Krefman Ronald
USPTO Trademark & Patent Filings
Trademark applications and grants for Krefman Ronald. Krefman Ronald has 1 trademark applications. The latest application filed is for "READING GLASSES"
| Patent Application | Date |
|---|---|
| METHOD FOR MINIMIZING PRISM IN OVER-THE-COUNTER EYEGLASSES AND OPTICAL DEVICES 20100020286 - 12/511996 Krefman; Ronald | 2010-01-28 |
| Display for eyeglasses with multiple optical center distances and method for displaying such eyeglasses 20070132946 - 11/408205 Krefman; Ronald | 2007-06-14 |
| IMPROVED READING EYEGLASSES 20070035695 - 11/161653 Krefman; Ronald | 2007-02-15 |
| Method for minimizing prism in over-the-counter eyeglasses and optical devices 8,147,063 - 12/511,996 Krefman April 3, 2 | 2012-04-03 |
| Display for eyeglasses with multiple optical center distances and method for displaying such eyeglasses 7,568,798 - 11/408,205 Krefman August 4, 2 | 2009-08-04 |
| Eyeglasses D525,278 - D/194,573 Krefman July 18, 2 | 2006-07-18 |
| Eyeglasses D518,846 - D/194,674 Krefman April 11, 2 | 2006-04-11 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"READING GLASSES" 78230694 |
READING GLASSES 2003-03-27 |
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