Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057285 | Gas generator/indicator unit adapted for use in an upright position | C. Frederick Avery, Vernon W. Klein | 1991-10-15 |
| 4966758 | Vacuum ampule filtration device | — | 1990-10-30 |
WB
William E. Belt
Marion Laboratories: 1 patents #13 of 49Top 30%
Overall (All Time): #2,319,485 of 4,157,543Top 60%
2
Patents All Time