DH

David K. Halliday

IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #2,284,486 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5388136 X-ray inspection apparatus for electronic circuits Colin David McCall, Alexander S. McKinnon, Christopher D. Smith 1995-02-07
5065858 Gas-fed transfer track Nigel J. Akam, Donald M. Cameron, Raymond Paterson 1991-11-19