Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657162 | Retroreflective articles with multiple size prisms in multiple locations | Michael J. Hanrahan | 1997-08-12 |
| 5643400 | Method and apparatus for producing seamless retroreflective sheeting | Gus Bernard, Michael J. Hanrahan | 1997-07-01 |
| 5565151 | Retroreflective prism structure with windows formed thereon | — | 1996-10-15 |
| 5558740 | Method and apparatus for producing seamless retroreflective sheeting | Gus Bernard, Michael J. Hanrahan | 1996-09-24 |