Membership
Tour
Register
Log in
Eilif Risberg
Follow
Person
Osteras, NO
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electrical resistance heating element
Patent number
4,501,956
Issue date
Feb 26, 1985
International Standard Electric Corporation
Hans A. Bergersen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL