Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465039 | Engine block heater with expansion yoke | Joseph B. Brinkhof | 1984-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465039 | Engine block heater with expansion yoke | Joseph B. Brinkhof | 1984-08-14 |