Frederick; Leonard L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frederick; Leonard L..The latest application filed is for "dynamic force measuring instrument having a foil belt transducer".
- Frederick; Leonard L. - Whippany NJ
Trademarks
| Patent | Date |
|---|---|
| Dynamic force measuring instrument having a foil belt transducer Grant 6,981,425 - Frederick January 3, 2 | 2006-01-03 |
| Dynamic force measuring instrument having a foil belt transducer App 20040099063 - Frederick, Leonard L. | 2004-05-27 |
| Method and system for obtaining useful foundation information Grant 5,581,013 - Frederick December 3, 1 | 1996-12-03 |
| Pile driving hammer, apparatus and method Grant 4,033,139 - Frederick July 5, 1 | 1977-07-05 |
| Dynamic force measuring instrument for foundation pile and casing Grant 3,931,729 - Frederick January 13, 1 | 1976-01-13 |
| Jet Sheet And Circular Pile With Water Hammer Assist Grant 3,822,557 - Frederick July 9, 1 | 1974-07-09 |
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