Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5512038 | Spinal retractor apparatus having a curved blade | Robert J. Schiess, III | 1996-04-30 |
| D363121 | Surgical retractor | Robert J. Schiess, III | 1995-10-10 |
| D353887 | Surgical retractor | Robert J. Schiess, III | 1994-12-27 |
| 4893574 | Method for manufacturing pillowcases | Parks C. Stewart | 1990-01-16 |
| 4856439 | Apparatus for manufacturing pillowcases | Parks C. Stewart | 1989-08-15 |