| Patents for Donald D. Grover |
Patents 1 -
15
of 15
      |
| Number | Title | Classification(s) |
| 4,262,527 | Self-Adjusting Engine Timing Pickup Probe | 324/392, 73/116 |
| 4,302,724 | Pickup Probe for Engine Timing | 324/173, 324/402, 335/285 |
| 4,373,384 | Diesel Engine Timing Apparatus | 73/119A |
| 4,402,222 | Bolt Load Determining Apparatus | 73/579, 73/761 |
| 4,441,021 | Luminosity Probe for Diesel Engine Timing Apparatus | 250/227.11, 73/117.3 |
| D274,496 | Hammer | D8/77 |
| 4,469,952 | Adapter for Diesel-Engine-Timing Meter | 250/551, 324/392 |
| 4,484,469 | Luminosity Probe with Positively Retained Light Pipe | 73/117.3, 73/119A |
| 4,493,208 | Dual Engine Probe | 73/117.3, 73/119A |
| 4,506,546 | Adapter for Converting Luminosity Signals into Inductive Signals | 73/119A |
| 4,577,496 | Transducer and Holder Therefor for Ultrasonic Acoustic Tachometer | 73/119A, 73/861.18 |
| 4,934,222 | Ergonomic Tool | 81/415, 81/427.5 |
| 5,199,146 | Tensioning and Crimping Tool | 29/268, 29/280, 29/282 |
| 5,611,521 | Power Drive for Cable Tightener | 254/235, 254/236 |
| 5,911,409 | Barge Ratchet Driver with Reaction Bars | 254/234, 254/235, 254/236 |
