Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400138 | Programmable spectrophotometer using a data memory for storing a sequence of generalized commands | Steven H. Peterson, James L. Overbeck | 1995-03-21 |
| 5073028 | Scanning densitometer | David R. Bowden, Lawrence D. Zandstra | 1991-12-17 |
| 4677777 | Price setting and display system for multiple unit merchandising machine | David A. Hoffman, Lee C. Verduin | 1987-07-07 |