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Wilber S. Hoyt
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Lafayette, LA, US
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last 30 patents
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Patent Grant
Outdoor pull-down display sign for use with existing outdoor signs
Patent number
5,471,775
Issue date
Dec 5, 1995
Wilber S. Hoyt
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Lowerable changeable message and maintenance sign
Patent number
5,471,774
Issue date
Dec 5, 1995
Wilber S. Hoyt
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Revolving sign and related drive
Patent number
5,054,219
Issue date
Oct 8, 1991
Wilber S. Hoyt
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS