David B. Bass

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Parkland, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Roller display device
- Patent number 10,403,179
- Issue date Sep 3, 2019
- David B. Bass
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
ROLLER DISPLAY DEVICE
- Publication number 20190088169
- Publication date Mar 21, 2019
- CHIRRP, INC.
- David B. Bass
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS