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| Patents for Mechanics Engineering Company | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,294,193 | Aug. 25, 1942 | H.H. Merriman | Wrench For Spark Plugs and the Like | wrench sockets | |
| 2,304,271 | Dec. 08, 1942 | C.D. Burbank, H.H. Merriman | Wrench For Spark Plugs and the Like | wrench sockets | |
| 2,320,044 | May 25, 1943 | H.H. Merriman | Spark Plug Wrench | wrench sockets | |