Donald D. Day

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Chesterfield, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Ice making machine with freeze and harvest control
- Patent number 5,129,237
- Issue date Jul 14, 1992
- Servend International, Inc.
- Donald D. Day
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Ice making machine with freeze and harvest control
- Patent number 5,042,263
- Issue date Aug 27, 1991
- Servend International, Inc.
- Donald D. Day
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Ice making machine with freeze and harvest control
- Patent number 4,947,653
- Issue date Aug 14, 1990
- Hussmann Corporation
- Donald D. Day
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...