Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485771 | Engine block heater having flexible clamping member | Yih-Yi Chang | 1984-12-04 |
| 4465039 | Engine block heater with expansion yoke | Ronald C. Snelgrove | 1984-08-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485771 | Engine block heater having flexible clamping member | Yih-Yi Chang | 1984-12-04 |
| 4465039 | Engine block heater with expansion yoke | Ronald C. Snelgrove | 1984-08-14 |