Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D310410 | Room air conditioner grill | David M. Lapychak, James D. Alsup, Jr., James B. Watson | 1990-09-04 |
| D310411 | Room air conditioner grill | David M. Lapychak, James D. Alsup, Jr., James B. Watson | 1990-09-04 |