Membership
Tour
Register
Log in
Otto E. Prenn
Follow
Person
Sherwood Park, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Composite electrode with non-consumable upper section
Patent number
4,168,392
Issue date
Sep 18, 1979
The Steel Company of Canada, Limited
Otto E. Prenn
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Composite electrode with non-consumable upper section
Patent number
4,121,042
Issue date
Oct 17, 1978
The Steel Company of Canada Limited
Otto E. Prenn
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR