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Spectacles
US 2,437,642 A
Filed
: 08/16/1946
Issued
: 03/09/1948
Est. Priority Date
: 08/16/1946
Status: Expired due to Term
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Current Assignee
Pierre Henroteau Francois Char
Original Assignee
Pierre Henroteau Francois Char
Inventors
PIERRE HENROTEAU FRANCOIS CHAR
Application Number
US02/690,919
Time in Patent Office
571 Days
Field of Search
US Class Current
351/41
CPC Class Codes
G02C 7/085
Fluid-filled lenses, e.g. e...
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