Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D268910 | Electronic distance measuring instrument | John I. Shipp | 1983-05-10 |
| T101001 | Electronic distance measuring instrument | John I. Shipp | 1981-09-01 |
| 4282520 | Piezoelectric horn and a smoke detector containing same | John I. Shipp | 1981-08-04 |