Witman; Jack H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Witman; Jack H..The latest application filed is for "stain and scratch resistant resilient surface coverings".
- Witman; Jack H. - Lancaster PA
| Patent | Date |
|---|---|
| Stain and scratch resistant resilient surface coverings Grant 4,935,286 - Witman June 19, 1 | 1990-06-19 |
| Dimensionally Stable, Flexible Plastic Surface Coverings Grant 3,870,591 - Witman March 11, 1 | 1975-03-11 |
| Method For Preparing Dimensionally Stable Plastic Surface Coverings Grant 3,819,438 - Witman June 25, 1 | 1974-06-25 |
| Embossed Surface Covering Having Enhanced Three-dimensional Effect Grant 3,808,024 - Witman April 30, 1 | 1974-04-30 |
| Chemically Embossed Surface Coverings Using Barrier Film Grant 3,772,138 - Witman November 13, 1 | 1973-11-13 |
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