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Patents for John H. Davids
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  2,849,857Sep. 02, 1958J.H. DavidsControl for Engine Starting Means
  3,561,407Feb. 09, 1971J.H. Davids, A.K. Antonsen, M.L. ForemanReversible Internal Combustion Engine Having Improved Fuel Control Means
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