Clyde K. Schafer

Follow

Person

Glendale Heights, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Air conditioning and heat pump system
- Patent number 4,981,023
- Issue date Jan 1, 1991
- Innovative Products, Inc.
- C. K. Krishnakumar
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Water heater
- Patent number 4,678,116
- Issue date Jul 7, 1987
- Chamberlain Manufacturing Corporation
- C. K. Krishnakumar
- F24 - HEATING RANGES VENTILATING