Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691759 | Apparatus for decorating bowling balls | Alfred Dabrowski, Daniel L. LaPres | 2004-02-17 |
| 6524419 | Method and apparatus for making and/or decorating bowling balls and the like | Alfred Dabrowski, Daniel L. LaPres | 2003-02-25 |