Doe; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doe; David.The latest application filed is for "personal security and tracking system".
- Doe; David - Walpole MA
| Patent | Date |
|---|---|
| Personal security and tracking system Grant 9,235,972 - Hoffman , et al. January 12, 2 | 2016-01-12 |
| Personal Security and Tracking System App 20150206418 - Hoffman; Mark ; et al. | 2015-07-23 |
| Personal Security And Tracking System App 20130307688 - Hoffman; Mark ; et al. | 2013-11-21 |
| Personal security and tracking system Grant 8,466,795 - Hoffman , et al. June 18, 2 | 2013-06-18 |
| Personal Security And Tracking System App 20120157037 - Hoffman; Mark ; et al. | 2012-06-21 |
| Personal Security And Tracking System App 20120088467 - Hoffman; Mark ; et al. | 2012-04-12 |
| Personal security and tracking system Grant 8,149,124 - Hoffman , et al. April 3, 2 | 2012-04-03 |
| Personal security and tracking system App 20070243855 - Hoffman; Mark ; et al. | 2007-10-18 |
| Personal security and tracking system Grant 7,038,590 - Hoffman , et al. May 2, 2 | 2006-05-02 |
| Personal security and tracking system App 20040021573 - Hoffman, Mark ; et al. | 2004-02-05 |
| Personal security and tracking system App 20040014478 - Hoffman, Mark ; et al. | 2004-01-22 |
| Personal security and tracking system Grant 6,624,754 - Hoffman , et al. September 23, 2 | 2003-09-23 |
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