Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5850521 | Apparatus and method for interprocessor communication | Patrick E. Prange, James B. Geyer, George J. Barlow | 1998-12-15 |
| 5274797 | Multiprocessor system with centralized initialization, testing and monitoring of the system and providing centralized timing | George J. Barlow, Elmer W. Carroll, James W. Keeley, Wallace A. Martland, Arthur Peters +1 more | 1993-12-28 |
| 4937780 | Single instruction updating of processing time field using software invisible working registers | James B. Geyer, Patrick E. Prange | 1990-06-26 |
| 4866599 | Call instruction, return instruction and trap procedure for ring crossing architecture | Patrick E. Prange | 1989-09-12 |
| 4833603 | Apparatus and method for implementation of a page frame replacement algorithm in a data processing system having virtual memory addressing | James B. Geyer | 1989-05-23 |
| 4725946 | P and V instructions for semaphore architecture in a multiprogramming/multiprocessing environment | Patrick E. Prange, James B. Geyer | 1988-02-16 |
| 4703417 | Call instruction for ring crossing architecture | Patrick E. Prange | 1987-10-27 |
| 4384343 | Firmware controlled search and verify apparatus and method for a data processing system | Virendra S. Negi, Michael J. D. Graesser | 1983-05-17 |