Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D347364 | Back bar freezer unit | David H. van de Velde | 1994-05-31 |
| 5269156 | Method and apparatus for back bar freezer unit | David H. van de Velde | 1993-12-14 |
| D339537 | Portable diagnostic test apparatus | Sigmar Willnauer, Stephen R. Martin | 1993-09-21 |
| D303791 | Computer housing | Stephen Peart | 1989-10-03 |