Ratner; David L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ratner; David L..The latest application filed is for "surface-attached alerting device".
- Ratner; David L. - Santa Monica CA
Trademarks
| Patent | Date |
|---|---|
| Surface-Attached Alerting Device App 20150109134 - Ratner; David L. ; et al. | 2015-04-23 |
| Programmable touch-activated signaling device Grant 8,493,217 - Biessman , et al. July 23, 2 | 2013-07-23 |
| Electric-switch activated by sensing a touch through a large variety of cover-plate materials Grant 8,178,810 - Ratner May 15, 2 | 2012-05-15 |
| Programmable Touch-activated Signaling Device App 20110199215 - Biessman; Wayne H. ; et al. | 2011-08-18 |
| Window-attached alerting device Grant 7,283,039 - Ratner October 16, 2 | 2007-10-16 |
| Window-attached alerting device App 20070146122 - Ratner; David L. | 2007-06-28 |
| Electric-switch activated by sensing a touch through a large variety of cover-plate materials App 20060181154 - Ratner; David L. ; et al. | 2006-08-17 |
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