Hall; Frank Kenneth
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hall; Frank Kenneth.The latest application filed is for "immersion heater for aquariums".
- Hall; Frank Kenneth - Saginaw MI
- Hall; Frank Kenneth - Findlay OH
| Patent | Date |
|---|---|
| Immersion heater for aquariums Grant 4,021,643 - Hall , et al. May 3, 1 | 1977-05-03 |
| Thermostatically controlled safety heater for aquariums Grant 3,895,217 - Hall , et al. July 15, 1 | 1975-07-15 |
| Method Of Assembling An Aquarium Grant 3,807,357 - Hall April 30, 1 | 1974-04-30 |
| Aquarium And Cover Grant 3,805,740 - Hall April 23, 1 | 1974-04-23 |
| Aquarium Grant 3,759,224 - Hall September 18, 1 | 1973-09-18 |
| Method And Apparatus For Absorbing Energy Grant 3,747,915 - Hall July 24, 1 | 1973-07-24 |
| Pavement And Bridge Joint Seals Grant 3,595,141 - Boney , et al. July 27, 1 | 1971-07-27 |
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