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Three Star Enterprises, Inc.
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Kingsland, GA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Variable roller valve system for internal combustion engine
Patent number
5,655,494
Issue date
Aug 12, 1997
Three Star Enterprises, Inc.
Robert D. Donaldson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable roller valve system for internal combustion engine
Patent number
5,572,967
Issue date
Nov 12, 1996
Three Star Enterprises, Inc.
Robert D. Donaldson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Friction clutch wrench
Patent number
5,535,647
Issue date
Jul 16, 1996
Three Star Enterprises, Inc.
Robert D. Donaldson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Friction clutch hand tool
Patent number
5,509,332
Issue date
Apr 23, 1996
Three Star Enterprises, Inc.
Robert D. Donaldson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
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