Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697675 | Shaft aligned backstop for a reducer | Harold R. Johnson, III, Allyn E. Phillips, Erwin R. Carrigan, James E. Mickelson | 1987-10-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697675 | Shaft aligned backstop for a reducer | Harold R. Johnson, III, Allyn E. Phillips, Erwin R. Carrigan, James E. Mickelson | 1987-10-06 |