Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686686 | Bi-potential electrode space-saving cathode ray tube | Arthur Herbert Firester, Joseph Michael Carpinelli, George Herbert Needham Riddle | 2004-02-03 |
| 6674230 | Asymmetric space-saving cathode ray tube with magnetically deflected electron beam | Joseph Michael Carpinelli, George Herbert Needham Riddle | 2004-01-06 |