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Light responsive system
US 2,855,523 A
Filed
: 01/21/1954
Issued
: 10/07/1958
Est. Priority Date
: 01/21/1954
Status: Expired due to Term
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Current Assignee
Harold Berger
Original Assignee
Harold Berger
Inventors
Berger, Harold
Application Number
US03/405,473
Time in Patent Office
1,720 Days
Field of Search
US Class Current
250/216
CPC Class Codes
B60Q 1/1423
Automatic dimming circuits,...
B60Q 2300/42
oncoming vehicle
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