Keith van der Walde

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Suspended segmented display array
- Patent number 9,723,732
- Issue date Aug 1, 2017
- Keith van der Walde
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Suspended segmented display array
- Patent number 9,311,836
- Issue date Apr 12, 2016
- Keith van der Walde
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Suspended Segmented Display Array
- Publication number 20160192513
- Publication date Jun 30, 2016
- Keith van der Walde
- G06 - COMPUTING CALCULATING COUNTING