Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4259951 | Dual valve for respiratory device | Mishel Greenberg | 1981-04-07 |
| 4258491 | Location indicating device | Frank J. Ernst, Gordon R. Perry | 1981-03-31 |
| 4241743 | Adjustable wiper container and applicator assembly for cosmetics and the like | Peter W. Schnabel, Lawrence T. Wilkes, Gordon R. Perry | 1980-12-30 |
| 4222268 | Disposable thermometer | Mishel Greenberg, Michael J. Kearney | 1980-09-16 |
| D255642 | Rotary cut-off apparatus for rolled window shades and the like | Paul J. Erpenbeck | 1980-07-01 |