Zirkelbach; Donald A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zirkelbach; Donald A..The latest application filed is for "quick disconnect mount".
- Zirkelbach; Donald A. - Bradenton FL
- Zirkelbach; Donald A. - Sarasota FL
| Patent | Date |
|---|---|
| Quick Disconnect Mount App 20220299056 - Shearer; Robert R. ; et al. | 2022-09-22 |
| Quick disconnect mount Grant 11,378,114 - Shearer , et al. July 5, 2 | 2022-07-05 |
| Integrated Boot App 20200108895 - Zirkelbach; Donald A. | 2020-04-09 |
| Quick Disconnect Mount App 20200109729 - Shearer; Robert R. ; et al. | 2020-04-09 |
| Retractable roof Grant 10,167,058 - Shearer , et al. J | 2019-01-01 |
| Ratchet playpen cover for a pontoon boat Grant 9,718,517 - Zirkelbach , et al. August 1, 2 | 2017-08-01 |
| Retractable Roof App 20170088237 - Shearer; Robert R. ; et al. | 2017-03-30 |
| Ratchet Playpen Cover For A Pontoon Boat App 20150047550 - Zirkelbach; Donald A. ; et al. | 2015-02-19 |
| Mooring/shipping cover Grant 8,875,646 - Zirkelbach , et al. November 4, 2 | 2014-11-04 |
| Mooring/Shipping Cover App 20130061795 - Zirkelbach; Donald A. ; et al. | 2013-03-14 |
| Canopy mounting system Grant 6,026,761 - Parniske , et al. February 22, 2 | 2000-02-22 |
| Boat camper system and method Grant 5,303,667 - Zirkelbach , et al. April 19, 1 | 1994-04-19 |
| Rounded top header extrusion for boat windshields Grant D324,368 - Zirkelbach , et al. March 3, 1 | 1992-03-03 |
| Rounded top header extrusion for boat windshields Grant 4,993,351 - Zirkelbach , et al. February 19, 1 | 1991-02-19 |
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