Andrew S. Matthews

Follow

Person

Lewiston, ME, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for use in dehumidifying and otherwise conditioning air w...
- Patent number 4,987,952
- Issue date Jan 29, 1991
- Dumont Holding Company
- David E. Beal
- F24 - HEATING RANGES VENTILATING