Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575661 | Boat lift | John M. Phillips, Alfred Ulrich | 2003-06-10 |
| 5967496 | Lifting drum having a self-positioning cable guide | Alfred Ulrich, Casimer J. Koniniec | 1999-10-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575661 | Boat lift | John M. Phillips, Alfred Ulrich | 2003-06-10 |
| 5967496 | Lifting drum having a self-positioning cable guide | Alfred Ulrich, Casimer J. Koniniec | 1999-10-19 |