Daniel J. Milligan

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Watonga, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for continuous refractoryless calcining of gypsum
- Patent number 5,927,968
- Issue date Jul 27, 1999
- United States Gypsum Company
- George E. Rowland
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method for continuous refractoryless calcining of gypsum
- Patent number 5,743,954
- Issue date Apr 28, 1998
- United States Gypsum Company
- George E. Rowland
- F28 - HEAT EXCHANGE IN GENERAL