Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D274428 | Housing for an automatic telephone alarm system | — | 1984-06-26 |
| D262964 | Housing for an automatic telephone alarm system | Richard W. Anderson | 1982-02-09 |
| D258577 | Signalling device | — | 1981-03-17 |
| 4224602 | Signalling device | Richard W. Anderson | 1980-09-23 |