Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074732 | Discontinuous drive power tool spindle and socket interface | Mark W. Lehnert, Lawrence J. Lehnert | 2011-12-13 |
| 6523442 | Torque tool assembly | Mark W. Lehnert | 2003-02-25 |
| 4844176 | Air tool with torque shut-off valve | — | 1989-07-04 |