Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092143 | Retainer and a retainer and nut assembly | Robert E. Stewart, Bernard Schwarb, Rolland J. Spring | 2024-09-17 |
| 11841044 | Retainer and a retainer and nut assembly | Robert E. Stewart, Bernard Schwarb, Rolland J. Spring | 2023-12-12 |
| 11415164 | Retainer and a retainer and nut assembly | Robert E. Stewart, Bernard Schwarb, Rolland J. Spring | 2022-08-16 |