Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245139 | Apparatus and method for digitizer sampled point validation | Robert L. Protheroe, Joseph E. Brehm | 1993-09-14 |
| 4797535 | Tungsten-halogen heater | — | 1989-01-10 |
| 4548879 | Solderable polymer thick films | Frank St. John | 1985-10-22 |
| 4545232 | Method and apparatus for performing multiple closed and semi-closed operations on an open die press | Justin G. Modic | 1985-10-08 |
| 4516299 | Method and apparatus for making single cranks for built-up crankshafts used in large engines | — | 1985-05-14 |
| 4497194 | Method and apparatus for performing multiple closed and semi-closed operations on an open die press | Justin G. Modic | 1985-02-05 |
| 4444604 | Method of preventing distortion of a heated workpiece during cooling | — | 1984-04-24 |
| 4391118 | Mechanism for forming a hole through a forged workpiece | — | 1983-07-05 |
| 4305273 | Method for forging large irregular shapes in a closed-die operation in a conventional open-die press | — | 1981-12-15 |
| 4304115 | Method for forging rolling mill couplings | — | 1981-12-08 |
| 4299110 | Method for forming a hole through a forged workpiece | — | 1981-11-10 |