Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855165 | Method for making stain and scratch resistant resilient surface coverings | Mary B. Grubb, Raymond S. Hudson, William T. Sigman | 1989-08-08 |
| 4781987 | Stain and scratch resistant resilient surface coverings | Mary B. Grubb, Raymond S. Hudson, William T. Sigman | 1988-11-01 |
| 4421782 | Process for providing improved radiation-curable surface coverings and products produced thereby | William T. Sigman | 1983-12-20 |
| 4420499 | Process for providing improved radiation-curable surface coverings and products produced thereby | William T. Sigman | 1983-12-13 |
| 4210691 | Photochemical process for treating nylon fiber yarn or pile fabric | Daniel Swern | 1980-07-01 |