Membership
Tour
Register
Log in
Michael L. Kampfer
Follow
Person
N. St. Paul, MN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Combination sink trap access port filtration device
Patent number
4,164,048
Issue date
Aug 14, 1979
John H. Kampfer
E03 - WATER SUPPLY SEWERAGE