Johannes Doornenbal

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Escalon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Recurve bow
- Patent number 5,934,264
- Issue date Aug 10, 1999
- Johannes Doornenbal
- F41 - WEAPONS
Information Patent Grant
Draw force attenuation system for a bow, particularly a recurve bow
- Patent number 5,408,982
- Issue date Apr 25, 1995
- Johannes Doornenbal
- F41 - WEAPONS