Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890158 | Recursive noise reduction filter for video test apparatus | Daniel G. Baker, Bruce J. Penney | 1989-12-26 |
| 4877172 | Dispensing of attachments | Harlow Franklin, Charles L. Deschenes | 1989-10-31 |