Membership
Tour
Register
Log in
Thomas S. Been
Follow
Person
Saratoga, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Valve housing
Patent number
D300171
Issue date
Mar 7, 1989
NEV/AL, Inc.
Thomas S. Been
D23 - Environmental heating and cooling