KARL JOHNSON

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St. Michael, MN, US

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Patents Applicationslast 30 patents

Information Patent Application
REFRIGERANT MANAGEMENT SYSTEM WITH OPERATIONAL EFFICIENCY IMPROVEME...
- Publication number 20170191719
- Publication date Jul 6, 2017
- Ritchie Engineering Company, Inc.
- RONALD A. PLASEK
- B60 - VEHICLES IN GENERAL
Information Patent Application
REFRIGERATION EFFICIENCY MONITORING SYSTEM
- Publication number 20170100985
- Publication date Apr 13, 2017
- KARL JOHNSON
- B60 - VEHICLES IN GENERAL