Gastgeb; Raymond F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gastgeb; Raymond F..The latest application filed is for "drumhead assembly".
- Gastgeb; Raymond F. - Doylestown PA
| Patent | Date |
|---|---|
| Practice drumhead assembly Grant RE43,885 - Rogers , et al. January 1, 2 | 2013-01-01 |
| Drumhead assembly Grant 7,781,661 - Rogers , et al. August 24, 2 | 2010-08-24 |
| Drumhead Assembly App 20090249939 - Rogers; Thomas P. ; et al. | 2009-10-08 |
| Practice drumhead assembly Grant 7,514,617 - Rogers , et al. April 7, 2 | 2009-04-07 |
| Practice drumhead assembly App 20070163422 - Rogers; Thomas P. ; et al. | 2007-07-19 |
| Impact zone detection device Grant 5,336,959 - Park , et al. August 9, 1 | 1994-08-09 |
| Dual direction switch Grant 5,034,648 - Gastgeb July 23, 1 | 1991-07-23 |
| Synchronized sound producing amusement device Grant 4,904,222 - Gastgeb , et al. February 27, 1 | 1990-02-27 |
| Vibration sensing apparatus Grant 4,870,868 - Gastgeb , et al. October 3, 1 | 1989-10-03 |
| Piezoelectric phase locked loop circuit Grant 4,841,256 - Gastgeb June 20, 1 | 1989-06-20 |
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