Karl-Heinz Bierfreund

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Ober-Ramstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Arrowhead with elongated tentacles
- Patent number 8,678,960
- Issue date Mar 25, 2014
- Karl-Heinz Bierfreund
- F42 - AMMUNITION BLASTING
Information Patent Grant
Gripper for pulling arrows
- Patent number 8,454,070
- Issue date Jun 4, 2013
- Karl-Heinz Bierfreund
- Karl-Heinz Bierfreund
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
Arrowhead with elongated tentacles
- Publication number 20130244818
- Publication date Sep 19, 2013
- Karl-Heinz Bierfreund
- F42 - AMMUNITION BLASTING
Information Patent Application
Gripper for pulling arrows
- Publication number 20120292935
- Publication date Nov 22, 2012
- Karl-Heinz Bierfreund
- F41 - WEAPONS