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US 2,882,631 A
Filed
: 09/05/1952
Issued
: 04/21/1959
Est. Priority Date
: 09/05/1952
Status: Expired due to Term
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Current Assignee
Philip Boone
Original Assignee
Philip Boone
Inventors
Boone, Philip
Application Number
US03/308,096
Time in Patent Office
2,419 Days
Field of Search
US Class Current
359/486.03
CPC Class Codes
G09F 19/12
using special optical effects
G09F 19/205
Special effects using diffe...
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