Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337471 | Disposable markers adapted for constant width and close proximity tracing | George Sarkisian, John J. Scanlon | 1982-06-29 |
| 4316197 | Easily removable instrument pen tip | William A. Tallerico | 1982-02-16 |