Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681177 | Anti-decoupling device | Walter L. Feltman, David W. MacAvoy, Gregory John Oleksik | 1997-10-28 |
| 5679025 | Front removable insert | Richard Lewis Barnes, Jr., Gregory John Oleksik, David O. Gallusser | 1997-10-21 |