Canfield; DeForest C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Canfield; DeForest C..The latest application filed is for "retractable gaff guard".
- Canfield; DeForest C. - Oxford NY
| Patent | Date |
|---|---|
| Ladder fall protection system and fall arrester Grant 11,136,823 - Canfield , et al. October 5, 2 | 2021-10-05 |
| Retractable Gaff Guard App 20200114239 - Canfield; DeForest C. ; et al. | 2020-04-16 |
| Cam Assembly for use with Pole Climbing Fall Restriction Device App 20190022465 - Truesdell; Kevin W. ; et al. | 2019-01-24 |
| Cam assembly for use with pole climbing fall restriction device Grant 10,099,087 - Truesdell , et al. October 16, 2 | 2018-10-16 |
| Hand-line hook Grant 10,041,526 - Canfield August 7, 2 | 2018-08-07 |
| Hand-Line Hook App 20180003214 - Canfield; DeForest C. | 2018-01-04 |
| Cam Assembly for use with Pole Climbing Fall Restriction Device App 20160310793 - Truesdell; Kevin W. ; et al. | 2016-10-27 |
| Linkless attachment arrangement for a locking snap-hook or the like Grant 9,382,939 - Rullo , et al. July 5, 2 | 2016-07-05 |
| Ladder Fall Protection System and Fall Arrester App 20150275580 - Canfield; DeForest C. ; et al. | 2015-10-01 |
| Snap Hook App 20150096154 - Canfield; DeForest C. | 2015-04-09 |
| Fall restriction device for climbers of wood poles Grant 8,544,603 - Rullo , et al. October 1, 2 | 2013-10-01 |
| Two-part, magnetically-secured rigging and climbing blocks Grant 8,511,647 - Winningham , et al. August 20, 2 | 2013-08-20 |
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