Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418995 | Sheet material dispenser with safer sheet cutting means | Leonard Kampa, James F. Pitzen | 2002-07-16 |
| 6039102 | Sheet material dispenser with safer sheet cutting means | Leonard Kampa, Michael D. Hamerski, James L. Bries | 2000-03-21 |
| 5791586 | Masking device hub providing two position tape support | James D. Cayford, Robert H. Heil, Stanley W. Widmer | 1998-08-11 |
| 5667626 | Masking device hub providing two position tape support | James D. Cayford, Robert H. Heil, Stanley W. Widmer | 1997-09-16 |