Howells; Roger A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Howells; Roger A..The latest application filed is for "device for holding a dispensing nozzle".
- Howells; Roger A. - Orefield PA
| Patent | Date |
|---|---|
| Device for holding a dispensing nozzle Grant D582,257 - Cohen , et al. December 9, 2 | 2008-12-09 |
| Liquid nitrogen immersion/impingement freezing method and apparatus Grant 5,417,074 - McAfee , et al. May 23, 1 | 1995-05-23 |
| Spiral freezer Grant 5,343,714 - Kiczek , et al. September 6, 1 | 1994-09-06 |
| Exhaust gas media separator with recycling and dust collection Grant 4,958,466 - Howells September 25, 1 | 1990-09-25 |
| Controlled release delivery coating formulation for bioactive substances Grant 4,891,223 - Ambegaonkar , et al. January 2, 1 | 1990-01-02 |
| Gas atomization nozzle for metal powder production Grant 4,880,162 - Howells , et al. November 14, 1 | 1989-11-14 |
| Cryogenic freezer with variable speed gas control system Grant 3,892,104 - Klee , et al. July 1, 1 | 1975-07-01 |
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