Colmac Coil Mfg., Inc.

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Colville, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Direct expansion ammonia refrigeration system and a method of direc...
- Patent number 8,474,276
- Issue date Jul 2, 2013
- Colmac Coil Mfg., Inc.
- Bruce I. Nelson
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Direct expansion ammonia refrigeration system and a method of direc...
- Patent number 7,958,738
- Issue date Jun 14, 2011
- Colmac Coil Mfg., Inc.
- Bruce Ian Nelson
- F28 - HEAT EXCHANGE IN GENERAL