Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652045 | Sliding and venting sunroof | Martin G. Hanley, James L. Gowan | 1987-03-24 |
| 4650243 | Sliding and venting sunroof | Martin G. Hanley, James L. Gowan | 1987-03-17 |
| D274811 | Phonograph cartridge | Julius Carlson | 1984-07-24 |
| D274812 | Phonograph stylus | Julius Carlson | 1984-07-24 |
| D274813 | Phonograph stylus | John Clifford Jones | 1984-07-24 |
| D274810 | Phonographic cartridge | John Clifford Jones | 1984-07-24 |
| D261652 | Power console | — | 1981-11-03 |
| D258924 | Chair or similar article | Kenneth C. Schory | 1981-04-21 |
| D258586 | Phonograph stylus | Joseph D. Kehl | 1981-03-17 |
| D257676 | Phonograph cartridge | Joseph D. Kehl | 1980-12-23 |
| D254004 | Phonograph cartridge and stylus assembly | James J. Wellwood | 1980-01-22 |