HE

Hildegard Esser

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #1,663,744 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5045678 Method of and arrangement for determining the position of the optical axis of an optical waveguide Michael Jechalik 1991-09-03
4994679 Method of measuring the eccentricity of a waveguide embedded in a cylindrical connector pin Ulrich Grzesik, Johann Vormann 1991-02-19
4883954 Method of measuring optical radiation energy reflected by a reflection area Ulrich Grzesik 1989-11-28