Hirsh; Donald
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirsh; Donald.The latest application filed is for "portable front projection screens".
- Hirsh; Donald - Chapel Hill NC
- Hirsh; Donald - Chapel Hills NC
- Hirsh; Donald - Trenton NJ
| Patent | Date |
|---|---|
| Portable front projection screen Grant D607,034 - Adams , et al. December 29, 2 | 2009-12-29 |
| Portable front projection screen Grant D607,035 - Adams , et al. December 29, 2 | 2009-12-29 |
| Portable front projection screens Grant 7,595,930 - Adams , et al. September 29, 2 | 2009-09-29 |
| Portable front projection screen Grant D596,657 - Adams , et al. July 21, 2 | 2009-07-21 |
| Portable front projection screen Grant D594,894 - Adams , et al. June 23, 2 | 2009-06-23 |
| Portable Front Projection Screens App 20090116106 - Adams; Douglas ; et al. | 2009-05-07 |
| Portable front projection screen assemblies with flexible screens Grant 7,489,444 - Adams , et al. February 10, 2 | 2009-02-10 |
| Particulate formulations Grant 6,500,461 - Perkins , et al. December 31, 2 | 2002-12-31 |
| Novel Particulate Formulations App 20020034536 - PERKINS, WALTER ; et al. | 2002-03-21 |
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