Burchfield; Brent
Patent Applications and Registrations
Patent applications and USPTO patent grants for Burchfield; Brent.The latest application filed is for "efficiently and easily opening and closing a canister valve".
- Burchfield; Brent - Atlanta GA
- Burchfield; Brent - Powell OH
| Patent | Date |
|---|---|
| Efficiently and easily opening and closing a canister valve Grant 9,651,188 - Green , et al. May 16, 2 | 2017-05-16 |
| Efficiently and easily opening and closing a canister valve Grant 9,518,691 - Green , et al. December 13, 2 | 2016-12-13 |
| Efficiently and Easily Opening and Closing a Canister Valve App 20160069499 - Green; C. Brad ; et al. | 2016-03-10 |
| Efficiently and easily opening and closing a canister valve Grant 9,216,887 - Green , et al. December 22, 2 | 2015-12-22 |
| Safety lockout system Grant 8,851,236 - Burchfield , et al. October 7, 2 | 2014-10-07 |
| Efficiently And Easily Opening And Closing A Canister Valve App 20140261732 - Green; C. Brad ; et al. | 2014-09-18 |
| EffiCiently and Easily Opening and Closing a Canister Valve App 20140261711 - Green; C. Brad ; et al. | 2014-09-18 |
| Safety Lockout System App 20140105671 - Burchfield; Brent ; et al. | 2014-04-17 |
| Safety lockout system Grant 8,636,112 - Burchfield , et al. January 28, 2 | 2014-01-28 |
| Biodegradable lawn waste collection system Grant 8,511,895 - Burchfield , et al. August 20, 2 | 2013-08-20 |
| Safety Lockout System App 20130051898 - Burchfield; Brent ; et al. | 2013-02-28 |
| Biodegradable Lawn Waste Collection System App 20110150369 - BURCHFIELD; BRENT ; et al. | 2011-06-23 |
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