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Patents for Herr Engine Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberTitleClassification(s)
CA-26,855Rateau a Cheval
GB-191,310,037Improvements in Traction Engines
1,104,537Traction Engine180/238, 180/239, 180/252, 180/297
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