Membership
Tour
Register
Log in
Bogdan W. Bernert
Follow
Person
Fair Oaks, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Large profile sheet metal corrugator
Patent number
4,269,055
Issue date
May 26, 1981
Sivachenko; Eugene W.
Eugene W. Sivachenko
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...