Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840694 | Methods and apparatus for handling double-sided adhesive tabs | Donald Brookman, David Merrill | 1989-06-20 |
| 4832062 | Dual flosser | William H. Angus | 1989-05-23 |
| 4828494 | Tooth fracture finder | William H. Angus | 1989-05-09 |
| 4821972 | System and method for use in handling and delaminating bobbins of paper material | Donald Brookman, Steven F. Spiers | 1989-04-18 |