William A. Hilgenberg

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Santa Cruz, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bottom bracket having an expandable resilient ring
- Patent number 10,006,483
- Issue date Jun 26, 2018
- Praxis Works LLC
- William A. Hilgenberg
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
BOTTOM BRACKET HAVING AN EXPANDABLE RESILIENT RING
- Publication number 20170328401
- Publication date Nov 16, 2017
- Praxis Works LLC
- William A. Hilgenberg
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
BELT-ALIGNED DERAILLEUR
- Publication number 20170066501
- Publication date Mar 9, 2017
- Praxis Works LLC
- William A. Hilgenberg
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS