Hetfield; Margaret L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hetfield; Margaret L..The latest application filed is for "wearable communication system".
- Hetfield; Margaret L. - Bristol RI
- Hetfield; Margaret L. - East Northport NY
- Hetfield; Margaret L. - Arlington MA
- Hetfield; Margaret L. - Hudson MA
| Patent | Date |
|---|---|
| Luminaire optical assembly Grant 7,645,055 - Neeld , et al. January 12, 2 | 2010-01-12 |
| Luminaire Grant D565,230 - Hetfield , et al. March 25, 2 | 2008-03-25 |
| Luminaire Grant D564,696 - Hetfield , et al. March 18, 2 | 2008-03-18 |
| Luminaire Grant D563,590 - Hetfield , et al. March 4, 2 | 2008-03-04 |
| Luminaire Grant D563,024 - Hetfield , et al. February 26, 2 | 2008-02-26 |
| Luminaire Grant D563,021 - Hetfield , et al. February 26, 2 | 2008-02-26 |
| Luminaire Grant D563,025 - Hetfield , et al. February 26, 2 | 2008-02-26 |
| Luminaire Grant D563,022 - Hetfield , et al. February 26, 2 | 2008-02-26 |
| Luminaire Grant D563,023 - Hetfield , et al. February 26, 2 | 2008-02-26 |
| Luminaire Grant D513,439 - Hetfield January 3, 2 | 2006-01-03 |
| Luminaire Grant D511,222 - Hetfield November 1, 2 | 2005-11-01 |
| Luminaire Grant D509,616 - Hetfield September 13, 2 | 2005-09-13 |
| Luminaire Grant D505,221 - Hetfield May 17, 2 | 2005-05-17 |
| Luminaire Grant D502,565 - Hetfield March 1, 2 | 2005-03-01 |
| Wearable communication system Grant 6,853,293 - Swartz , et al. February 8, 2 | 2005-02-08 |
| Wearable communication system App 20030020629 - Swartz, Jerome ; et al. | 2003-01-30 |
| Handheld clipboard Grant D383,496 - Siegel , et al. September 9, 1 | 1997-09-09 |
| Network multiplexor for an office environment Grant D346,370 - Hetfield , et al. April 26, 1 | 1994-04-26 |
| Electronic device module Grant D344,710 - Morgan , et al. * March 1, 1 | 1994-03-01 |
| Cover for wall mounted electronic equipment Grant D342,523 - Morgan , et al. December 21, 1 | 1993-12-21 |
| Power supply module Grant D338,653 - Morgan , et al. August 24, 1 | 1993-08-24 |
| Electronic device module Grant D337,761 - Morgan , et al. July 27, 1 | 1993-07-27 |
| Electroluminiscence display panel Grant D313,431 - Jaskiel, Jr. , et al. January 1, 1 | 1991-01-01 |
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