Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512179 | Instrument for calibrating pressure gauges | Tsi-Pin Choong, Kenneth R. Izzo, Charles E. Burdg, Gary H. Hankin, Charles A. Dalke | 1985-04-23 |
DU
Don G. Umble
Overall (All Time): #4,013,675 of 4,157,543Top 100%
1
Patents All Time