Membership
Tour
Register
Log in
John J. Brockman
Follow
Person
St. Paul, MN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Conical coreless filter assembly and element
Patent number
5,916,435
Issue date
Jun 29, 1999
Porous Media Corporation
Michael R. Spearman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL