Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914374 | Shape-memory alloy shift element for an automatic transmission | David Edward Drosback | 2021-02-09 |
| 9777836 | Park lock for an automatic transmission | Won Hyuk Lee, Thomas Geiss, David Edward Drosback | 2017-10-03 |