Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5515877 | Denture cleaning device | — | 1996-05-14 | |
| 4767148 | Multiple level roll-in cot | Richard H. Ferneau | 1988-08-30 | |
| 4480345 | Break-away scoop stretcher | — | 1984-11-06 | |
| 4444579 | Apparatus for tempering glass sheets of different sizes and shapes | Samuel L. Seymour | 1984-04-24 | $6,230,000 |
| 4437753 | Apparatus for supporting a camera against the sternum of the photographer | — | 1984-03-20 | |
| 4369985 | One man cart for articles | Elroy E. Bourgraf, Ronald D. Vance | 1983-01-25 | |
| 4251178 | Business machine cart with trunk loading attachment | Elroy E. Bourgraf, Kenneth R. Self | 1981-02-17 | |
| 4222699 | Tool supporting arm and mounting plate with a plurality of quick disconnect mounts for multiple arms | Edward H. Smith | 1980-09-16 | $1,371,000 |
| 4198061 | Electrostatic-vacuum record cleaning apparatus | — | 1980-04-15 | |
| 4180902 | Heat exchanger tube guide and extractor tool therefor | — | 1980-01-01 |