Membership
Tour
Register
Log in
Frank J. Viola
Follow
Person
Uniondale, NY, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
In-line hydrometer
Patent number
4,702,109
Issue date
Oct 27, 1987
Parker-Hannifin Corporation
Frank J. Viola
G01 - MEASURING TESTING