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Door operating device
US 2,756,990 A
Filed
: 01/18/1955
Issued
: 07/31/1956
Est. Priority Date
: 04/12/1952
Status: Expired due to Term
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8
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Current Assignee
Kenneth F. Reamey
Original Assignee
Kenneth F. Reamey
Inventors
Reamey, Kenneth F.
Application Number
US03/482,468
Time in Patent Office
560 Days
Field of Search
US Class Current
307/155
CPC Class Codes
E05F 15/686
by cables or ropes
E05Y 2900/106
for garages
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