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Extensible tool driver device
US 3,343,434 A
Filed
: 08/27/1965
Issued
: 09/26/1967
Est. Priority Date
: 08/27/1965
Status: Expired due to Term
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Current Assignee
Rudolf Schroeder
Original Assignee
Rudolf Schroeder
Inventors
Schroeder, Rudolf
Application Number
US04/483,193
Time in Patent Office
760 Days
Field of Search
US Class Current
81/60
CPC Class Codes
B23B 45/06
driven by man-power
B25G 1/005
for screwdrivers, wrenches ...
B25G 1/007
of crank type
B25G 1/043
for screwdrivers, wrenches ...
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