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Patents for Amos H. Hawley Sr.
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,203,803Jun. 11, 1940A.H. Hawley, Sr., E.D. VancilBroaching Machine
  2,290,590Jul. 21, 1942W. Trible, A.H. Hawley, Sr.Indexing Mechanism
  2,308,689Jan. 19, 1943E.D. Vancil, A.H. Hawley, Sr.Broaching Machine
  2,682,941Jul. 06, 1954A.H. Hawley, Sr.Machine Tool Transmission
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