James Darryl Boykin

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Clifton, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sliding exercise device with a plurality of tracks
- Patent number 9,868,023
- Issue date Jan 16, 2018
- James Darryl Boykin
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Exercise Device
- Publication number 20150217160
- Publication date Aug 6, 2015
- James Darryl Boykin
- A63 - SPORTS GAMES AMUSEMENTS