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Derek Ostler
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Wentzville, MO, US
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last 30 patents
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Patent number
11,062,622
Issue date
Jul 13, 2021
HAPPY TYKES, INC.
Derek Ostler
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent number
10,761,486
Issue date
Sep 1, 2020
Derek Ostler
G04 - HOROLOGY
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Patent number
10,437,200
Issue date
Oct 8, 2019
Derek Ostler
G04 - HOROLOGY
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last 30 patents
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20200372829
Publication date
Nov 26, 2020
Derek Ostler
G04 - HOROLOGY
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Publication number
20200241478
Publication date
Jul 30, 2020
Derek Ostler
G04 - HOROLOGY