Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572346 | Power press ram safety guard with electrical interlock | William R. Chestnut, Christopher J. Cox, David J. MacKenzie | 1986-02-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572346 | Power press ram safety guard with electrical interlock | William R. Chestnut, Christopher J. Cox, David J. MacKenzie | 1986-02-25 |