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Robert Keith Longino
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Chicago, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Independent suspension system for in-line skates
Patent number
7,914,012
Issue date
Mar 29, 2011
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Independent suspension system for in-line skates
Patent number
7,735,841
Issue date
Jun 15, 2010
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Independent suspension system for in-line skates having rocker arms...
Patent number
7,048,281
Issue date
May 23, 2006
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Independent suspension system for in-line skates having rocker arms...
Patent number
6,644,673
Issue date
Nov 11, 2003
Sprung Suspensions, Inc.
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Independent suspension system for in-line skates having rocker arms...
Patent number
6,454,280
Issue date
Sep 24, 2002
Sprung Suspensions
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
Information
Patent Application
INDEPENDENT SUSPENSION SYSTEM FOR IN-LINE SKATES
Publication number
20100213678
Publication date
Aug 26, 2010
ROBERT KEITH LONGINO
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
INDEPENDENT SUSPENSION SYSTEM FOR IN-LINE SKATES
Publication number
20100207310
Publication date
Aug 19, 2010
ROBERT KEITH LONGINO
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
Independent suspension system for in-line skates having rocker arms...
Publication number
20050225041
Publication date
Oct 13, 2005
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
Independent suspension system for in-line skates having rocker arms...
Publication number
20020190488
Publication date
Dec 19, 2002
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
Independent suspension system for in-line skates having rocker arms...
Publication number
20020030332
Publication date
Mar 14, 2002
Robert Keith Longino
A63 - SPORTS GAMES AMUSEMENTS