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Ophthalmic lens for spectacles affording increased field of vision
US 2,537,047 A
Filed
: 11/17/1947
Issued
: 01/09/1951
Est. Priority Date
: 11/17/1947
Status: Expired due to Term
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Current Assignee
Ernest B. Gatten
Original Assignee
Ernest B. Gatten
Inventors
Gatten, Ernest B.
Application Number
US02/786,401
Time in Patent Office
1,149 Days
Field of Search
US Class Current
351/159.02
CPC Class Codes
G02C 7/02
Lenses; Lens systems ; Meth...
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