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EMERGENCY POWER OPERATION CONTROL FOR HYDRAULIC ELEVATORS
US 3,532,186 A
Filed
: 09/09/1968
Issued
: 10/06/1970
Est. Priority Date
: 09/09/1968
Status: Expired due to Term
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Current Assignee
Schindler Elevator Corporation
(Schindler Holding AG)
Original Assignee
Richard K. Swartzell
Inventors
Swartzell, Richard K.
Application Number
US04/758,298
Time in Patent Office
757 Days
Field of Search
US Class Current
187/285
CPC Class Codes
B66B 1/24
Control systems with regula...
B66B 1/405
for hydraulically actuated ...
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