Robba; William A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Robba; William A..The latest application filed is for "film of pyrolytic graphite having bi-directional reinforcing properties".
- Robba; William A. - Boulder CO
- Robba; William A. - Shoreham NY
| Patent | Date |
|---|---|
| Film of pyrolytic graphite having bi-directional reinforcing properties Grant 4,054,708 - Robba , et al. * October 18, 1 | 1977-10-18 |
| Method for making a film of refractory material having bi-directional reinforcing properties Grant 3,900,540 - Robba , et al. August 19, 1 | 1975-08-19 |
| Composite Carbon Insert For Gas Shielded Welding Torch Nozzle Grant 3,698,646 - Robba , et al. October 17, 1 | 1972-10-17 |
| Pyrolytic Graphite Nozzles And Guide Tubes For Welding Torches Grant 3,697,721 - Robba , et al. October 10, 1 | 1972-10-10 |
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