HW

Herman W. Willemsen

Nortel Networks Limited: 6 patents #453 of 5,294Top 9%
📍 Ottawa, CA: #1,119 of 6,399 inventorsTop 20%
Overall (All Time): #887,599 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5751454 Wavelength bypassed ring networks R. Ian MacDonald 1998-05-12
4969712 Optoelectronic apparatus and method for its fabrication William D. Westwood, Michel Gallant, Richard Prescott Skillen 1990-11-13
4672600 Optical disc having protective cover Neil K. Balston, Keith D. Anderson 1987-06-09
4475033 Positioning device for optical system element Grantley O. Este 1984-10-02
4366488 Read/write arrangement for a magnetic terminal William D. Westwood, Steven Kos 1982-12-28
4337531 Scanning head for an optical disc system 1982-06-29