Hancock; William L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hancock; William L..The latest application filed is for "box spring assembly with improved corner springs".
- Hancock; William L. - Lexington KY
| Patent | Date |
|---|---|
| Box spring assembly with improved corner springs Grant 4,452,438 - Hancock , et al. June 5, 1 | 1984-06-05 |
| Height adjusting mechanism for a swivel chair Grant 4,285,488 - Hancock August 25, 1 | 1981-08-25 |
| Box spring assembly with basic wire grid Grant 4,253,208 - Hancock , et al. March 3, 1 | 1981-03-03 |
| Box spring assembly with arcuate bendable springs Grant 4,251,892 - Hancock February 24, 1 | 1981-02-24 |
| Swivel chair with non-keywayed main screw Grant 4,087,070 - Hancock May 2, 1 | 1978-05-02 |
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