Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6906626 | Burglar alarm and door chime | — | 2005-06-14 |
| 6505869 | Combination weeding tool | — | 2003-01-14 |
| RE35638 | Burglar alarm and door chime | — | 1997-10-21 |
| 5268671 | Burglar alarm and door chime | — | 1993-12-07 |
| 4980024 | Antiskid paper with enhanced friction retention | Charles C. Payne, Roger H. Jansma, Neil A. Marron | 1990-12-25 |
| 4824260 | Brake block temperature and wear measuring device | Robert B. McCune | 1989-04-25 |
| 4446638 | Dipper tip retaining pin | James P. Mulder | 1984-05-08 |
| 4443957 | Snubber having unitary elastic body | Henry J. Ihlein | 1984-04-24 |
| 4310125 | Hammer for hammer mill | — | 1982-01-12 |