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For the Inventor, By the Inventor

Vienna, Austria

Bifocon Optics Gmbh


USPTO Granted Patents = 2

Forward Citations = 315

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2 inventors (with patents filed for the assignee):

goldMedal Werner Fiala (2 out of 13 patents)

silverMedal Johann Pingitzer (1 out of 1 patent)


2 patents:

1. 6536899 - Multifocal lens exhibiting diffractive and refractive powers (2003-03-25),
2. 6120148 - Diffractive lens (2000-09-19),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#222 in Vienna

#974 in Austria

Vienna, AT
Vienna, Austria

Bifocon Optics Gmbh

Forward Citations = 315

2 inventors:

goldMedal Werner Fiala (2 out of 13 patents)

silverMedal Johann Pingitzer (1 out of 1 patent)

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