Membership
Tour
Register
Log in
Jerrold Craig Ramsey
Follow
Person
Colorado Springs, CO, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Self-venting tank valve for toilet tanks
Patent number
3,955,218
Issue date
May 11, 1976
Jerrold Craig Ramsey
E03 - WATER SUPPLY SEWERAGE