Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490799 | Ignition coil test apparatus | Michael J. Kling, III, Sydney J. Roth, Surender Makhija | 1984-12-25 |
| D275973 | Combined holder for drawing toy and doll stand | — | 1984-10-16 |
| 4476531 | Engine analyzer with digital waveform display | Michael J. Kling, III, Sydney J. Roth | 1984-10-09 |
| 4472779 | Engine timing apparatus for use in testing | Michael J. Kling, III, Sydney J. Roth | 1984-09-18 |
| 4467323 | Engine analyzer with simulated analog meter display | Michael J. Kling, III | 1984-08-21 |
| 4438587 | Blowgun toy car launcher | — | 1984-03-27 |
| 4431009 | Apparatus for measuring blood pressure | Matthew E. Bellin | 1984-02-14 |
| 4423378 | Automotive battery test apparatus | Sydney J. Roth | 1983-12-27 |
| 4399407 | Engine analyzer with constant width digital waveform display | Michael J. Kling, III | 1983-08-16 |