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Ophthalmic measuring device
US 2,677,894 A
Filed
: 10/17/1951
Issued
: 05/11/1954
Est. Priority Date
: 10/17/1951
Status: Expired due to Term
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Current Assignee
Austin B. Belgard
Original Assignee
Austin B. Belgard
Inventors
Belgard, Austin B.
Application Number
US03/251,667
Time in Patent Office
937 Days
Field of Search
US Class Current
33/200
CPC Class Codes
A61B 3/04
Trial frames; Sets of lense...
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