Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280049 | X-ray spectrometer | Helmut Werner, Wilhelmus F. Knippenberg | 1981-07-21 |
AW
Antonius W. Witmer
Overall (All Time): #4,093,677 of 4,157,543Top 100%
1
Patents All Time