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Patent applications and USPTO patent grants for Willetts; Elwood H..The latest application filed is for "intermodal transport system".
Patent | Date |
---|---|
Intermodal transport system Grant 4,385,857 - Willetts May 31, 1 | 1983-05-31 |
Multiple axle suspension system Grant 4,132,433 - Willetts January 2, 1 | 1979-01-02 |
Multiple Axle Vehicle Suspension System Grant 3,856,325 - Willetts December 24, 1 | 1974-12-24 |
Vehicle Suspension Structure Grant 3,767,222 - Willetts October 23, 1 | 1973-10-23 |
Vehicle Suspension System Grant 3,687,478 - Willetts August 29, 1 | 1972-08-29 |
Multiple Axle Suspension Grant 3,572,745 - Willetts March 30, 1 | 1971-03-30 |
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