Hirt; William J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirt; William J..The latest application filed is for "conical spring bushing".
- Hirt; William J. - Oakland Township MI
- Hirt; William J. - Bellevue WA
| Patent | Date |
|---|---|
| Conical spring bushing Grant 8,047,503 - Hirt November 1, 2 | 2011-11-01 |
| Conical Spring Bushing App 20090212245 - Hirt; William J. | 2009-08-27 |
| Jet engine noise suppressor Grant 4,979,587 - Hirt , et al. December 25, 1 | 1990-12-25 |
| Method of and apparatus for enhancing Coanda flow attachment over a wing and flap surface Grant 4,019,696 - Hirt , et al. April 26, 1 | 1977-04-26 |
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