Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6229901 | Auditory feedback device | Raymond C. Miller | 2001-05-08 |
| 5570422 | Telephone network interface device | John J. Napiorkowski, Thomas W. Kroll, Boyd G. Brower, Robert A. Crane, Walter K. Butler, III +2 more | 1996-10-29 |
| 4866575 | Wall mounted distributing frame for telecommunications circuits | Jerauld C. MacFarlane | 1989-09-12 |
| 4737880 | Station protector for communications lines | — | 1988-04-12 |
| 4694488 | Distributing frame for telecommunications circuits | Jerauld C. MacFarlane | 1987-09-15 |
| 4633360 | Station protector | — | 1986-12-30 |
| 4493003 | Surge arrester assembly | Richard P. De LaChapelle | 1985-01-08 |