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US 2,591,068 A
Filed
: 08/30/1948
Issued
: 04/01/1952
Est. Priority Date
: 08/30/1948
Status: Expired due to Term
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Current Assignee
Eugene L. Hilchey
Original Assignee
Eugene L. Hilchey
Inventors
Hilchey, Eugene L.
Application Number
US03/046,790
Time in Patent Office
1,310 Days
Field of Search
US Class Current
396/3
CPC Class Codes
G03B 15/06
Special arrangements of scr...
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