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Patents Granted on 1967-02-21
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,304,771Feb. 21, 1967P. OchsTorque Wrenchtorque wrenches
3,304,811Feb. 21, 1967R.H. De WittHand saw grindersaw sharpening machines
3,304,817Feb. 21, 1967S.E. Swanson, J.E. Swanstrom, Jr.Wrench with Concave Jaw Teethchain and strap wrenches
3,305,094Feb. 21, 1967K.H. CassonVacuum filter
3,305,762Feb. 21, 1967C.E. Geib, Jr.Method of control of electric powermotor controls
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