Patents per Year
Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9140965 | Immersive projection system | Ronald W. Allen, John Bradford Lewis, Robert Hoppenfeld | 2015-09-22 | $2,911,000 |
| 5291465 | Automatic changer for digital discs | — | 1994-03-01 | |
| D343839 | Compact disc carousel | — | 1994-02-01 | |
| 4788676 | Record player | — | 1988-11-29 | |
| 4734902 | Record player | George Kolomayets | 1988-03-29 | |
| 4559623 | 45 RPM Automatic play adaptor | — | 1985-12-17 | |
| 4435800 | Automatic record player | George Kolomayets | 1984-03-06 | |
| 4376305 | Automatic record player | George Kolomayets | 1983-03-08 | |
| 4352177 | Automatic record player | George Kolomayets | 1982-09-28 | |
| 4346465 | Automatic record player | George Kolomayets | 1982-08-24 | |
| 4340958 | Automatic record changer | George Kolomayets | 1982-07-20 | |
| 4291886 | Automatic record changer | George Kolomayets | 1981-09-29 |