Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494554 | Skin test device using I.C. comparator circuit | Helga M. Van Dyke | 1985-01-22 |
| 4467615 | Control system for diesel powered refrigeration plant | Robert A. Potjes | 1984-08-28 |