Passerell; David P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Passerell; David P..The latest application filed is for "heat trap".
- Passerell; David P. - Geneva OH
| Patent | Date |
|---|---|
| Heat trap Grant 7,270,087 - Passerell , et al. September 18, 2 | 2007-09-18 |
| Heat Trap App 20060054110 - Passerell; David P. ; et al. | 2006-03-16 |
| Reinforced polymer valve Grant 5,149,054 - Passerell , et al. September 22, 1 | 1992-09-22 |
| Coupling apparatus Grant 4,712,813 - Passerell , et al. December 15, 1 | 1987-12-15 |
| No-hole insertion joint Grant 4,487,432 - Passerell , et al. December 11, 1 | 1984-12-11 |
| Stab-type coupling and method Grant 4,282,175 - Volgstadt , et al. August 4, 1 | 1981-08-04 |
| Stab-type coupling Grant 4,229,025 - Volgstadt , et al. October 21, 1 | 1980-10-21 |
| Pipe fitting having a non-metallic sealing member Grant 4,083,583 - Volgstadt , et al. April 11, 1 | 1978-04-11 |
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