Membership
Tour
Register
Log in
Dale R. Booher
Follow
Person
Fairborn, OH, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Thermally responsive damper assembly having interfitting parts and...
Patent number
4,587,706
Issue date
May 13, 1986
Energy Vent, Inc.
John Prikkel
G05 - CONTROLLING REGULATING
Information
Patent Grant
Damper unit
Patent number
D271615
Issue date
Nov 29, 1983
Energy Vent, Inc.
John Prikkel
D23 - Environmental heating and cooling
Information
Patent Grant
Thermal damper for rectangular flue
Patent number
4,361,272
Issue date
Nov 30, 1982
Energy Vent, Inc.
John Prikkel
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES