Heyden; Herbert Frank
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heyden; Herbert Frank.The latest application filed is for "stand-off insulators".
- Heyden; Herbert Frank - Pelham NY
| Patent | Date |
|---|---|
| Stand-off insulators Grant 3,935,378 - Heyden January 27, 1 | 1976-01-27 |
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