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Edge illuminated dial
US 2,712,593 A
Filed
: 04/21/1951
Issued
: 07/05/1955
Est. Priority Date
: 04/21/1951
Status: Expired due to Term
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Current Assignee
Robert B. Merchant
Original Assignee
Robert B. Merchant
Inventors
Merchant, Robert B.
Application Number
US03/222,273
Time in Patent Office
1,536 Days
Field of Search
US Class Current
362/23.16
CPC Class Codes
G01D 11/28
Structurally-combined illum...
G02B 6/0033
Means for improving the cou...
G02B 6/0046
Tapered light guide, e.g. w...
G02B 6/0068
Arrangements of plural sour...
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