Barry Drager

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Railcar man-way cover lift-assist system
- Patent number 7,770,526
- Issue date Aug 10, 2010
- Draco Spring Mfg. Co., Inc
- Barry Drager
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fail safe coil spring including mounting mechanism
- Patent number 6,260,833
- Issue date Jul 17, 2001
- Barry Drager
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Railcar Man-Way Cover Lift-Assist System
- Publication number 20100107926
- Publication date May 6, 2010
- DRACO SPRING MFG. CO., INC.
- Barry Drager
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Coil spring having non-circular coils
- Publication number 20020190452
- Publication date Dec 19, 2002
- Barry Drager
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...