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Patent applications and USPTO patent grants for Merker, Jr.; Walter H..The latest application filed is for "variable angle friction clutch mechanism for a draft gear assembly".
Patent | Date |
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Variable angle friction clutch mechanism for a draft gear assembly Grant 5,529,194 - Merker, Jr. , et al. June 25, 1 | 1996-06-25 |
Variable angle friction clutch mechanism for a draft gear assembly Grant 5,501,347 - Merker, Jr. , et al. March 26, 1 | 1996-03-26 |
Variable angle friction clutch mechanism for a draft gear assembly Grant 5,452,814 - Merker, Jr. , et al. September 26, 1 | 1995-09-26 |
Variable angle friction clutch mechanism for a draft gear assembly Grant 5,443,170 - Merker, Jr. , et al. August 22, 1 | 1995-08-22 |
Railway car resilient side bearing Grant 4,793,720 - Merker, Jr. December 27, 1 | 1988-12-27 |
Method of preshortening draft gear Grant 4,175,667 - Dillner , et al. November 27, 1 | 1979-11-27 |
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