Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4395164 | Pneumatic tube installation for posting samples of material | Herbert Beltrop, Josef Teutenberg | 1983-07-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4395164 | Pneumatic tube installation for posting samples of material | Herbert Beltrop, Josef Teutenberg | 1983-07-26 |