Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814931 | Apparatus and method for timed-de-icing | James M. Roman | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814931 | Apparatus and method for timed-de-icing | James M. Roman | 1989-03-21 |