Membership
Tour
Register
Log in
Donald R. Soisson
Follow
Person
Pasadena, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Congruent suspension twist swing
Patent number
3,937,463
Issue date
Feb 10, 1976
Donald R. Soisson
A63 - SPORTS GAMES AMUSEMENTS