Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953538 | Piggy back evaporating for maple syrup evaporator apparatus or the like | James G. Richardson | 1990-09-04 |
| 4819615 | Piggy back evaporator for maple syrup evaporator apparatus or the like | James G. Richardson | 1989-04-11 |