Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958284 | Open ended question analysis system and method | Lawrence Bishop | 1990-09-18 |
| 4393014 | Method of casting explosive charge with high solids content | — | 1983-07-12 |
| 4285209 | Absorption heat pump installation | Johannes Luthi | 1981-08-25 |
| 4251312 | Apparatus for hemming fabric using a hot melt adhesive | Henry S. Hutcherson | 1981-02-17 |