FC

Frank E. Castle

IBM: 3 patents #26,272 of 70,183Top 40%
Overall (All Time): #1,658,305 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5224020 Electronic apparatus having modular front and back functional units and electrical distribution unit including a fan therebetween Ian Golledge, David J. Gray, Richard O'Regan 1993-06-29
5168424 Multi unit electrical apparatus with dual inlet fan positioned opposite unit bays Ivor W. Bolton, David S. Gaunt 1992-12-01
4743995 Disk file with in-hub motor Colin P. Hatchett, Michael R. Hatchett, John S. Heath 1988-05-10