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Patents for Hobbs, Gordon & Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
266,462Oct. 24, 1882H. Hobbs, E.F. GordonVent-valve
295,999Apr. 01, 1884E.F. GordonSelf-lubricating loose pulleyindustrial machine pulleys and belt drive mechanisms
297,383Apr. 22, 1884E.F. Gordon, H. HobbsSuspended drilling-machineradial drill presses
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