Ocuco has filed a new request with the U.S. Patent...

25 September 2013

Ocuco has filed a new request with the U.S. Patent Office in relation to technological claims for the development of back-surface free-form progressive lenses. The company had already asked to review a patent by Seiko Epson. This time it is questioning the patent numbered 6,078,713 obtained by Carl Zeiss Vision ...

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