Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683282 | Food merchandiser and temperature control system | Timothy L. McMahon, William Carter, Robert Nai Hon Mak | 2004-01-27 |
| D289834 | Refrigerated display stand | John McMahon | 1987-05-19 |
| D280476 | Refrigerated display case | John McMahon | 1985-09-10 |