Kelton Douglas Leighton Barr

Follow

Person

Minneapolis, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Ground heat exchange processes and equipment
- Patent number 9,157,666
- Issue date Oct 13, 2015
- Braun Intertec Geothermal, LLC
- Scott Freitag
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
GROUND HEAT EXCHANGE PROCESSES AND EQUIPMENT
- Publication number 20130327498
- Publication date Dec 12, 2013
- Scott Freitag
- F24 - HEATING RANGES VENTILATING