Francis A. Wittern, JR.

Follow

Person

West Des Moines, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for single or multiple temperature zone(s) in...
- Patent number 8,151,598
- Issue date Apr 10, 2012
- Fawn Engineering Corporation
- Francis A. Wittern, Jr.
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR SINGLE OR MULTIPLE TEMPERATURE ZONE(S) IN...
- Publication number 20120151947
- Publication date Jun 21, 2012
- FAWN ENGINEERING CORPORATION
- Francis A. Wittern, JR.
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
APPARATUS AND METHOD FOR SINGLE OR MULTIPLE TEMPERATURE ZONE(S) IN...
- Publication number 20090090734
- Publication date Apr 9, 2009
- FAWN ENGINEERING CORP.
- FRANCIS A. WITTERN, JR.
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...