Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816450 | Pneumatic frosting applicator | David C. Alexander, Kenneth H. Patrick | 1998-10-06 |
| 5709596 | Ergonomically profiled hand grip for a hand-held tool having a pivotable pommel | David C. Alexander | 1998-01-20 |