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Polish rod grip
US 2,092,986 A
Filed
: 02/11/1936
Issued
: 09/14/1937
Est. Priority Date
: 02/11/1936
Status: Expired due to Term
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Current Assignee
Roy C. Pfeil
Original Assignee
Roy C. Pfeil
Inventors
Pfeil, Roy C.
Application Number
US02/063,402
Time in Patent Office
581 Days
Field of Search
US Class Current
403/320
CPC Class Codes
F04B 53/16
Casings; Cylinders; Cylinde...
F16B 2200/73
Cam locks or thread locks
Y10T 403/7141
Plural channels in connector
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