PB

Pieter J. Bolhuis

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Overall (All Time): #1,301,697 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4952842 DC/AC converter for igniting and supplying a gas discharge lamp Johannes M. Van Meurs, Adrianus M. J. De Bijl 1990-08-28
4937498 DC/AC converter for igniting and supplying a gas discharge lamp Adrianus M. J. De Bijl, Johannes M. Van Meurs 1990-06-26
4825443 Circuit arrangement for starting and operating a gas discharge laser 1989-04-25
4520295 Step-wise dimmer control circuit for a discharge lamp 1985-05-28