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Patents for Ralph W. Crocker | |||||
Number | Date | Patentee | Title | Type | |
2,043,042 | Jun. 02, 1936 | R.W. Crocker, K.A. Harmon | Magneto | ignition systems | |
CA-361,600 | Nov. 03, 1936 | R.W. Crocker, K.A. Harmon | Magneto | ignition systems | |
2,232,451 | Feb. 18, 1941 | R.W. Crocker, K.A. Harmon | Magneto | ignition systems |