Niejadlik; John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Niejadlik; John.The latest application filed is for "short circuit proof level sensor".
- Niejadlik; John - Littleton MA
| Patent | Date |
|---|---|
| Short Circuit Proof Level Sensor Grant 3,753,200 - Niejadlik August 14, 1 | 1973-08-14 |
| Temperature And Level Sensor Grant 3,653,262 - Ehrenfried , et al. April 4, 1 | 1972-04-04 |
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