Plaque It!
Sponsored by: Flash of Genius |
| 2301197 | Measuring instrument | |||
| 3112362 | Written character digitizer | |||
| 3145367 | Character recognition circuit | |||
| 3262054 | Measuring apparatus and method for determining the duration of the application of pressure in a rotary press | |||
| 3275808 | Correlating time and event recorder | |||
| 3284790 | Electrical timing circuit | |||
| 3199078 | Character identification device |