Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651559 | Protective guard for a trailer hitch housing | David K. Liland | 1997-07-29 |
| D355630 | Bumper protecting trailer hitch guard | David K. Liland | 1995-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651559 | Protective guard for a trailer hitch housing | David K. Liland | 1997-07-29 |
| D355630 | Bumper protecting trailer hitch guard | David K. Liland | 1995-02-21 |