Rolf Speier

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Wettenberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Focusing device with diopter adjustment
- Patent number 7,330,310
- Issue date Feb 12, 2008
- Leica Camera AG
- Alfred Hengst
- G02 - OPTICS
Information Patent Grant
Play-free rotary mounting
- Patent number 7,050,226
- Issue date May 23, 2006
- Leica Camera AG
- Alfred Hengst
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Focusing device with diopter adjustment
- Publication number 20050259321
- Publication date Nov 24, 2005
- Leica Camera AG.
- Alfred Hengst
- G02 - OPTICS
Information Patent Application
Play-free rotary mounting
- Publication number 20030137761
- Publication date Jul 24, 2003
- Leica Camera AG.
- Alfred Hengst
- G02 - OPTICS