Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9405198 | Method for providing conductive silver film elements | Michael P. Youngblood | 2016-08-02 |
| 9335635 | Silver halide solution physical developing solution | Michael P. Youngblood | 2016-05-10 |
| D682363 | Miniature vehicle track | — | 2013-05-14 |
| D679767 | Miniature vehicle track | — | 2013-04-09 |
| 6998227 | Color developer concentrate for color film processing | Michael P. Youngblood, Terrence R. O'Toole, Charles M. Darmon | 2006-02-14 |
| 6666720 | Electrical connector receptacle with module kickout mechanism | Jason M'Cheyne Reisinger, Michael Eugene Shirk, James Charles Shiffler | 2003-12-23 |
| 6664036 | Homogeneous single-part color developer per color film processing and method of using same | Terrence R. O'Toole, Charles M. Darmon, Michael P. Youngblood | 2003-12-16 |
| 6655995 | Electrical connector receptacle cage with interlocking upper and lower shells | Jason M'Cheyne Reisinger, Michael Eugene Shirk, James Charles Shiffler | 2003-12-02 |
| D326642 | Combined electrical plug and safety adapter | — | 1992-06-02 |
| 5030119 | Safety plug | — | 1991-07-09 |
| 5007256 | Cartridge operated entertainment system with removal deterrent device for preventing unauthorized use | — | 1991-04-16 |