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Patents Grants
last 30 patents
Information
Patent Grant
Bearing
Patent number
4,890,943
Issue date
Jan 2, 1990
Kabushiki Kaisha Chubu Bearing Seisakusho
Koichi Tanaka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Synthetic resin ball bearing
Patent number
4,606,657
Issue date
Aug 19, 1986
Kabushiki Kaisha Chubu Bearing Seisakusho
Kouichi Tanaka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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