Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D586419 | Golf putting practice device | — | 2009-02-10 |
| 5611949 | Method and apparatus for laser cutting separate items carried on a continuously moving web | Donald L. Snellman | 1997-03-18 |
| 5496253 | Method and apparatus for forming bookbinding strips | Donald L. Snellman | 1996-03-05 |
| 5364215 | Method and apparatus for preparing book covers | Donald L. Snellman | 1994-11-15 |