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Highway traffic safety signal
US 3,007,435 A
Filed
: 08/31/1959
Issued
: 11/07/1961
Est. Priority Date
: 08/31/1959
Status: Expired due to Term
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Current Assignee
David G. Peterson
Original Assignee
David G. Peterson
Inventors
Peterson, David G.
Application Number
US03/837,188
Time in Patent Office
799 Days
Field of Search
US Class Current
116/28.00R
CPC Class Codes
G08B 5/02
using only mechanical trans...
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