Barkan; Eric F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barkan; Eric F..The latest application filed is for "single vision lenses".
- Barkan; Eric F. - Novato CA
- Barkan; Eric F. - San Francisco CA
| Patent | Date |
|---|---|
| Single vision lenses Grant 7,090,349 - Perrott , et al. August 15, 2 | 2006-08-15 |
| Single vision lenses App 20050179859 - Perrott, Colin Maurice ; et al. | 2005-08-18 |
| Single vision lenses Grant 6,902,271 - Perrott , et al. June 7, 2 | 2005-06-07 |
| Single vision lenses App 20020118337 - Perrott, Colin Maurice ; et al. | 2002-08-29 |
| Single vision lenses Grant 6,361,166 - Perrott , et al. March 26, 2 | 2002-03-26 |
| Detachable battery pack for electro-optical scanners Grant 6,308,892 - Swartz , et al. October 30, 2 | 2001-10-30 |
| Hand-held scanning head having auditory beeper with a changeable beeping rate Grant 6,000,617 - Swartz , et al. December 14, 1 | 1999-12-14 |
| Hand-held scanning head with aiming beam Grant 5,734,153 - Swartz , et al. March 31, 1 | 1998-03-31 |
| Target finder in electro-optical scanners Grant 5,668,364 - Swartz , et al. September 16, 1 | 1997-09-16 |
| Portable laser diode scanning head Grant 5,468,949 - Swartz , et al. * November 21, 1 | 1995-11-21 |
| Portable laser diode scanning head Grant 5,250,792 - Swartz , et al. * October 5, 1 | 1993-10-05 |
| Portable laser diode scanning head having a focusing lens and an aperture Grant 5,247,162 - Swartz , et al. * September 21, 1 | 1993-09-21 |
| Portable laser diode scanning head with aiming beam Grant 5,132,525 - Swartz , et al. * July 21, 1 | 1992-07-21 |
| Portable laser diode scanning head Grant 5,075,538 - Swartz , et al. December 24, 1 | 1991-12-24 |
| Portable laser diode scanning head Grant 4,897,532 - Swartz , et al. January 30, 1 | 1990-01-30 |
| Method for improving progressive lens designs and resulting article Grant 4,838,675 - Barkan , et al. June 13, 1 | 1989-06-13 |
| Portable laser diode scanning head Grant 4,835,374 - Swartz , et al. May 30, 1 | 1989-05-30 |
| Portable laser diode scanning head Grant 4,825,057 - Swartz , et al. April 25, 1 | 1989-04-25 |
| Portable laser diode scanning head Grant 4,816,660 - Swartz , et al. March 28, 1 | 1989-03-28 |
| Portable laser diode scanning head Grant 4,806,742 - Swartz , et al. February 21, 1 | 1989-02-21 |
| Portable laser diode scanning head Grant 4,760,248 - Swartz , et al. July 26, 1 | 1988-07-26 |
| Method of making progressive lens surface and resulting article Grant 4,676,610 - Barkan , et al. June 30, 1 | 1987-06-30 |
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