WH

Wilbert J. A. M. Hartmann

U.S. Philips: 1 patents #205 of 1,030Top 20%
Overall (1989): #44,136 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4840462 Method of driving a ferroelectric liquid crystal display device and associated display device to achieve gray scale — 1989-06-20