RI

Robert Charles Irons

WL Westinghouse Brake And Signal Holdings Limited: 1 patents #24 of 69Top 35%
Overall (All Time): #1,264,053 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6678163 Housing for semiconductor chips Howard D. Neal 2004-01-13
6303974 Semiconductor chips encapsulated within a preformed sub-assembly Kevin Robert Billett, Michael John Evans 2001-10-16
6147382 Semiconductor switching device with segmented sources 2000-11-14
5831291 Insulated gate bipolar transistors Michael John Evans 1998-11-03