Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585918 | System for measuring and storing data relating to the time durations of steps in a welding operation as well as weld current and gun pressure | James I. Corrigan | 1986-04-29 |
| 4583280 | Methods and means for sequentially measuring the times involved in a plurality of manufacturing operations and for detecting mechanical malfunctions in an automated system | James I. Corrigan | 1986-04-22 |