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Indicating systems for vertical lifting apparatus
US 3,036,663 A
Filed
: 07/01/1960
Issued
: 05/29/1962
Est. Priority Date
: 07/01/1960
Status: Expired due to Term
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Current Assignee
William T. Burka
Original Assignee
William T. Burka
Inventors
Burka, William T.
Application Number
US04/040,363
Time in Patent Office
697 Days
Field of Search
US Class Current
187/222
CPC Class Codes
G06M 1/08
for actuating the drive
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