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Patents for Ross E. Langill
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,637,907Aug. 02, 1927R.E. Langill, W.B. GrueterSawmill dogsawmill dogs
1,769,927Jul. 08, 1930W.B. Grueter, R.E. LangillMechanism for controlling the press rolls or like elements of edgerscircular ripsaws
1,838,948Dec. 29, 1931W.B. Grueter, R.E. LangillSawmill dogsawmill dogs
1,861,867Jun. 07, 1932W.B. Grueter, R.E. LangillSawmill dogsawmill dogs
1,866,937Jul. 12, 1932R.E. LangillSawmill dogsawmill dogs
1,944,287Jan. 23, 1934R.E. LangillSawmill dogsawmill dogs
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