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Richard M. Hanula
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Lyndhurst, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of enhancing rigidity in a railway car coupler knuckle
Patent number
4,645,085
Issue date
Feb 24, 1987
National Castings, Inc.
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Coupler for a railway car coupler assembly
Patent number
4,637,518
Issue date
Jan 20, 1987
Seher Acquisition Corp.
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Yoke for railway car coupler assembly
Patent number
4,635,804
Issue date
Jan 13, 1987
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Biased pin retainer block for a rotary coupling system
Patent number
4,597,499
Issue date
Jul 1, 1986
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Rotary railroad car F coupler
Patent number
4,593,828
Issue date
Jun 10, 1986
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Rotary railroad car F coupler
Patent number
4,428,489
Issue date
Jan 31, 1984
Midland-Ross Corporation
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Rotary coupler with a specially configured pinhole
Patent number
4,350,256
Issue date
Sep 21, 1982
Midland-Ross Corporation
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Rotary coupler with improved pin bearing
Patent number
4,328,900
Issue date
May 11, 1982
Midland-Ross Corporation
Richard M. Hanula
B61 - RAILWAYS
Information
Patent Grant
Rotary connector
Patent number
4,310,099
Issue date
Jan 12, 1982
Midland-Ross Corporation
Richard M. Hanula
B61 - RAILWAYS