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LOAD LIMIT CONTROL FOR HOISTING EQUIPMENT
US 3,489,294 A
Filed
: 04/25/1968
Issued
: 01/13/1970
Est. Priority Date
: 04/25/1968
Status: Expired due to Term
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Current Assignee
Northwest Engineering, Inc.
Original Assignee
David J. Young
,
Franklin H. Greb
,
Hansbrough David Lee
Inventors
Greb, Franklin H.
,
HANSBROUGH DAVID LEE
,
Young, David J.
Application Number
US04/724,180
Time in Patent Office
628 Days
Field of Search
US Class Current
212/278
CPC Class Codes
B66C 23/90
Devices for indicating or l...
B66C 23/905
electrical
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