Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441173 | Piston depositor | Richard M. Silzer, William M. Hasse, Michael E. Leiweke | 1995-08-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441173 | Piston depositor | Richard M. Silzer, William M. Hasse, Michael E. Leiweke | 1995-08-15 |