Grimshaw; Norman C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grimshaw; Norman C..The latest application filed is for "ballast apparatus for starting and operating arc lamps".
- Grimshaw; Norman C. - Fort Wayne IN
| Patent | Date |
|---|---|
| Ballast Apparatus For Starting And Operating Arc Lamps Grant 3,780,342 - Grimshaw , et al. December 18, 1 | 1973-12-18 |
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