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Plain City, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Trolley brake and method of using same
- Patent number 9,004,235
- Issue date Apr 14, 2015
- Darby Adventure Systems LLC
- Randy Headings
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
TROLLEY BRAKE AND METHOD OF USING SAME
- Publication number 20130220743
- Publication date Aug 29, 2013
- DARBY ADVENTURE SYSTEMS LLC
- Randy Headings
- B61 - RAILWAYS