Rufus Butler Seder

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Boston, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotatable animation device
- Patent number 7,331,132
- Issue date Feb 19, 2008
- Rufus Butler Seder
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Moveable animated display device
- Patent number 7,151,541
- Issue date Dec 19, 2006
- Rufus Butler Seder
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Reflected display system for text of audiovisual performances
- Patent number 5,570,944
- Issue date Nov 5, 1996
- WGBH Educational Foundation
- Rufus B. Seder
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS