Arnold M. Hanson

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for recovering and recycling refrigerant
- Patent number 6,408,637
- Issue date Jun 25, 2002
- Century Mfg. Co.
- Arnold M. Hanson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Refrigerant recovery and recycling system
- Patent number 6,244,055
- Issue date Jun 12, 2001
- Century Manufacturing Company
- Arnold M. Hanson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Refrigerant recovery and recycling system
- Patent number 5,934,091
- Issue date Aug 10, 1999
- Century Manufacturing Company
- Arnold M. Hanson
- B60 - VEHICLES IN GENERAL