Ellis; Howard F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ellis; Howard F..The latest application filed is for "zinc oxide varistor composition not containing silica".
- Ellis; Howard F. - Stephentown NY
Trademarks
| Patent | Date |
|---|---|
| Zinc oxide varistor composition not containing silica Grant 4,374,049 - Ellis , et al. February 15, 1 | 1983-02-15 |
| Method of treating metal oxide varistors to reduce power loss Grant 4,148,135 - Sakshaug , et al. April 10, 1 | 1979-04-10 |
| Non-linear resistance surge arrester disc collar and glass composition thereof Grant 3,959,543 - Ellis May 25, 1 | 1976-05-25 |
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