BH

Bruce C. Hempel

IBM: 8 patents #13,150 of 70,183Top 20%
Overall (All Time): #669,236 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5430841 Context management in a graphics system David C. Tannenbaum, Paul M. Schanely, Leland D. Richardson 1995-07-04
5027291 Application exit for potentially pickable primitives in a graphics system Robert M. Callahan 1991-06-25
5012433 Multistage clipping method Robert M. Callahan, Bob C. Liang 1991-04-30
4870599 Traversal method for a graphics display system Gregory D. Laib, Bob C. Liang 1989-09-26
4866637 Pipelined lighting model processing system for a graphics workstation's shading function Jorge Gonzalez-Lopez, Bob C. Liang 1989-09-12
4847605 Picking in a graphics system Robert M. Callahan, Anthony Fiore, IV, Edward C. Flickinger, Bruce E. Whistance 1989-07-11
4821209 Data transformation and clipping in a graphics display system Bob C. Liang 1989-04-11
4805117 Method for controlling concatenation of transformation matrices in a graphics display system Anthony Fiore, IV, Gregory D. Laib, Bob C. Liang 1989-02-14