Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368578 | Hypodermic syringe holder | Roger G. Covington, Karen A. Malburne, Douglas C. Mehl | 1994-11-29 |
| 5337971 | Torque transmission clutch for film spool | — | 1994-08-16 |
| 5305042 | Film cassette | Christopher T. Mattson, Russell J. Butler, Christopher P. McCormick | 1994-04-19 |
| 5295635 | Spool to film attachment | Russell J. Butler, Christopher P. McCormick | 1994-03-22 |