Groenewegen; Johannes B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Groenewegen; Johannes B..The latest application filed is for "method of encapsulating temperature sensitive devices in wax-like material having a high coefficient of fusion".
- Groenewegen; Johannes B. - Kirkland WA
| Patent | Date |
|---|---|
| Method of encapsulating temperature sensitive devices in wax-like material having a high coefficient of fusion Grant 5,407,505 - Groenewegen , et al. April 18, 1 | 1995-04-18 |
| Crash protection enclosure for solid state memory devices Grant 5,123,538 - Groenewegen June 23, 1 | 1992-06-23 |
| Crash survivable enclosure for flight recorder Grant 4,944,401 - Groenewegen July 31, 1 | 1990-07-31 |
| Heat shielded memory unit for an aircraft flight data recorder Grant 4,694,119 - Groenewegen September 15, 1 | 1987-09-15 |
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