Membership
Tour
Register
Log in
Russell F. Mandell
Follow
Person
Prospect, CT, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Control valve for a mandrel collection system
Patent number
4,888,974
Issue date
Dec 26, 1989
Emhart Industries, Inc.
Russell F. Mandell
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...