Membership
Tour
Register
Log in
Rodrigo Alexandre Sigwalt
Follow
Person
Joinville, SC, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Extended cold (battery backup) refrigerator
Patent number
8,033,134
Issue date
Oct 11, 2011
Whirlpool Corporation
Andrew David Litch
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC