Membership
Tour
Register
Log in
Todd B. Colburn
Follow
Person
San Diego, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Long string racquets, particularly for racquetball
Patent number
5,919,104
Issue date
Jul 6, 1999
EF Composite Technologies, L.P.
Raymond Lee Mortvedt
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Racquet stringing machine
Patent number
5,568,921
Issue date
Oct 29, 1996
Ektelon
John F. Lorentzen
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Racquetball racquet having increased stiffness at tip
Patent number
5,470,061
Issue date
Nov 28, 1995
Ektelon
Todd B. Colburn
A63 - SPORTS GAMES AMUSEMENTS