David Rosen

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Beaverton, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Bicycle frame and method of converting to electronic shifting system
- Patent number 10,207,771
- Issue date Feb 19, 2019
- David Rosen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Bicycle frame and method of converting to electronic shifting system
- Patent number 9,545,975
- Issue date Jan 17, 2017
- David Rosen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
BICYCLE FRAME AND METHOD OF CONVERTING TO ELECTRONIC SHIFTING SYSTEM
- Publication number 20170096187
- Publication date Apr 6, 2017
- David Rosen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
BICYCLE FRAME AND METHOD OF CONVERTING TO ELECTRONIC SHIFTING SYSTEM
- Publication number 20160236751
- Publication date Aug 18, 2016
- David Rosen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS