Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304615 | Eyewear patient measuring station | — | 1989-11-14 |
| 4875881 | Communication box assembly | Jack E. Caveny, John J. Bulanda, Andrew J. Stroede, Donald C. Wiencek | 1989-10-24 |
| 4835979 | Surge control system for a closed cycle cryocooler | Roger P. Murry, Alexander Silver | 1989-06-06 |