Farrell; David P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Farrell; David P..The latest application filed is for "radiation-shielding movable barrier".
- Farrell; David P. - Malvern PA
- Farrell; David P. - Gilbertsville PA US
| Patent | Date |
|---|---|
| Masonry block with continuously curved surfaces Grant 9,816,267 - Farrell November 14, 2 | 2017-11-14 |
| Motor driven door assembly Grant 9,617,776 - Farrell , et al. April 11, 2 | 2017-04-11 |
| Radiation-shielding Movable Barrier App 20160376832 - FARRELL; David P. ; et al. | 2016-12-29 |
| Sliding door with tortuous leading edge path Grant 9,458,661 - Farrell , et al. October 4, 2 | 2016-10-04 |
| Masonry Block With Continuously Curved Surfaces App 20160024784 - FARRELL; David P. | 2016-01-28 |
| Masonry block with continuously curved surfaces Grant 9,183,957 - Farrell November 10, 2 | 2015-11-10 |
| Sliding Door With Tortuous Leading Edge Path App 20140259929 - Farrell; David P. ; et al. | 2014-09-18 |
| Rotating radiation shielded entrance assembly Grant 8,627,601 - Farrell January 14, 2 | 2014-01-14 |
| Compact Modular Particle Facility Having Layered Barriers App 20130082196 - Farrell; David P. | 2013-04-04 |
| Rotating Radiation Shielded Entrance Assembly App 20120159849 - Farrell; David P. | 2012-06-28 |
| Motor Driven Door Assembly App 20110245978 - Farrell; David P. ; et al. | 2011-10-06 |
| Masonry Block With Continuously Curved Surfaces App 20110146191 - Farrell; David P. | 2011-06-23 |
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