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James M. Grayson
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Wonder Lake, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Multi-position, operator-carried, four-cycle engine
Patent number
6,863,043
Issue date
Mar 8, 2005
MTD Southwest, Inc.
Katsumi Kurihara
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Multi-position, operator-carried, four-cycle engine
Patent number
6,666,184
Issue date
Dec 23, 2003
MTD Southwest, Inc.
Katsumi Kurihara
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Multi-position, operator-carried, four-cycle engine
Patent number
6,363,904
Issue date
Apr 2, 2002
MTD Southwest Inc.
Katsumi Kurihara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Multi-position operator-carried four-cycle engine
Patent number
6,047,678
Issue date
Apr 11, 2000
Ryobi North America, Inc.
Katsumi Kurihara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
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Patent Application
Multi-position, operator-carried, four-cycle engine
Publication number
20040177825
Publication date
Sep 16, 2004
MTD Southwest, Inc.
Katsumi Kurihara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Multi-position, operator-carried, four-cycle engine
Publication number
20030010311
Publication date
Jan 16, 2003
MTD Southwest Inc.
Katsumi Kurihara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES