Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10243309 | Engine block heater cord set | Ping-Chung Wong | 2019-03-26 |
| 9762011 | Engine block heater cord set | Ping-Chung Wong | 2017-09-12 |
| 6444952 | Engine block heater with retaining member | Steven W. Ballem | 2002-09-03 |