Michael Karl Johnson

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Ellis, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Hospital bed weighing system
- Patent number 6,469,263
- Issue date Oct 22, 2002
- Raye's, Inc.
- Michael Karl Johnson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Personal security tracking system
- Publication number 20020066037
- Publication date May 30, 2002
- Michael Karl Johnson
- G06 - COMPUTING CALCULATING COUNTING