Biedermann; Ernst

Patent Applications and Registrations

Patent applications and USPTO patent grants for Biedermann; Ernst.The latest application filed is for "method for checking semiconductor wafers and apparatuses for carrying out the method".

Company Profile

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Biedermann; Ernst - Regensburg DE
Biedermann; Ernst - Taufkirchen DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for checking semiconductor wafers and apparatuses for carrying out the method Grant 5,742,395 - Biedermann , et al. April 21, 1	1998-04-21
Apparatus for checking semiconductor wafers with complementary light sources and two cameras Grant 5,644,140 - Biedermann , et al. July 1, 1	1997-07-01
Copying method and arrangement for difficult-to-copy originals Grant 4,704,026 - Rauh , et al. November 3, 1	1987-11-03
Apparatus for influencing the color of copying light in photographic copying machines or the like Grant 4,444,489 - Bartel , et al. April 24, 1	1984-04-24
Photographic copying machine with interchangeable format masks Grant 4,240,744 - Rapp , et al. December 23, 1	1980-12-23
Apparatus for convoluting webs onto rotary cores Grant 4,218,032 - Nagel , et al. August 19, 1	1980-08-19
Photographic copying apparatus Grant 4,218,133 - Biedermann August 19, 1	1980-08-19
Automatic counteracting of transverse shift of a longitudinally transported strip Grant 4,214,689 - Bartel , et al. July 29, 1	1980-07-29

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