Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371335 | Spark plug electrode welding system | Paul A. Wheeler | 1994-12-06 |
| 5250778 | Method and apparatus for welding pad material to a spark plug electrode | Randolph Kwok-Kin Chiu, Paul A. Wheeler | 1993-10-05 |
| 4408195 | Boundary plane warning system | Barclay J. Tullis, Randy Tan | 1983-10-04 |