Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895299 | Mail box with signalling device | — | 1990-01-23 |
| 4439129 | Hydraulic refractory press including floating upper and lower plunger assemblies | Gary R. Long | 1984-03-27 |
| 4220442 | Press apparatus including plunger adjustment means | Robert J. Dorsey, William T. Savage | 1980-09-02 |