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Ronald A. Holland
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Newport Beach, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Safety brake using bearings for in-line skates
Patent number
6,874,794
Issue date
Apr 5, 2005
Hemisphere Group, Inc.
Ronald A Holland
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Safety brake for in-line skates
Patent number
6,425,588
Issue date
Jul 30, 2002
Hemisphere Group, Inc.
Ronald A. Holland
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Protective uniform for combination football and skating game and ot...
Patent number
6,397,402
Issue date
Jun 4, 2002
Hemisphere Group, Inc.
Ronald A. Holland
A41 - WEARING APPAREL
Information
Patent Grant
Combination football and skating game with enclosed ramp field and...
Patent number
6,149,529
Issue date
Nov 21, 2000
Hemisphere Group, Inc.
William L. Fowler
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Safety brake using bearings for in-line skates
Publication number
20030189301
Publication date
Oct 9, 2003
Ronald A. Holland
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
In-line roller skate with anti-lock brake
Publication number
20030132587
Publication date
Jul 17, 2003
Ronald A. Holland
A63 - SPORTS GAMES AMUSEMENTS