Lothar Koelsch

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Wilnsdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Switchable flap valve
- Patent number 6,439,256
- Issue date Aug 27, 2002
- Leica Camera AG
- Lothar Koelsch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Telephoto camera lens
- Patent number 5,388,006
- Issue date Feb 7, 1995
- Leica Camera GmbH
- Lothar Koelsch
- G02 - OPTICS
Information Patent Grant
Compact photographic objective of the triplet type having improved...
- Patent number 5,321,555
- Issue date Jun 14, 1994
- Leica Camera GmbH
- Lothar Koelsch
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Switchable flap valve
- Publication number 20010035638
- Publication date Nov 1, 2001
- Lothar Koelsch
- B60 - VEHICLES IN GENERAL