RL

Roger J. Llewelyn

IBM: 3 patents #26,272 of 70,183Top 40%
Overall (All Time): #1,667,197 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4910505 Graphic display apparatus with combined bit buffer and character graphics store Paul A. Beaven, Adrian Hawes 1990-03-20
4649379 Data display apparatus with character refresh buffer and row buffers David A. Canton, Brian L. Holloway, Nicholas B. Sargeant 1987-03-10
4644340 Programmable timing circuit for cathode ray tube Brian L. Holloway 1987-02-17