Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322922 | Ski edge sharpener | Robert E. Villers | 1992-01-07 |
| D274948 | Modular grid surfacing unit | Dan Kotler | 1984-07-31 |
| D274588 | Surfacing unit | Dan Kotler | 1984-07-10 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322922 | Ski edge sharpener | Robert E. Villers | 1992-01-07 |
| D274948 | Modular grid surfacing unit | Dan Kotler | 1984-07-31 |
| D274588 | Surfacing unit | Dan Kotler | 1984-07-10 |