Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933941 | Apparatus and method for testing the operation of a central processing unit of a data processing system | Clinton B. Eckard, Dwaine C. Pfeifer, David Scott Edwards | 1990-06-12 |
| 4831622 | Apparatus for forcing a reload from main memory upon cache memory error | Marvin K. Webster, Ronald Lange | 1989-05-16 |
| 4530052 | Apparatus and method for a data processing unit sharing a plurality of operating systems | James L. King, Phillip A. Angelle, Joseph C. Circello, John E. Wilhite, Leonard G. Trubisky | 1985-07-16 |
| 4525777 | Split-cycle cache system with SCU controlled cache clearing during cache store access period | Marvin K. Webster, Richard T. Flynn, George M. Seminsky | 1985-06-25 |
| 4493034 | Apparatus and method for an operating system supervisor in a data processing system | Phillip A. Angelle, James L. King | 1985-01-08 |
| 4471429 | Apparatus for cache clearing | Charles P. Ryan, James L. King | 1984-09-11 |
| 4314331 | Cache unit information replacement apparatus | Robert W. Norman, Jr., Charles P. Ryan | 1982-02-02 |
| 4313158 | Cache apparatus for enabling overlap of instruction fetch operations | Charles P. Ryan | 1982-01-26 |
| 4312036 | Instruction buffer apparatus of a cache unit | Robert W. Norman, Jr. | 1982-01-19 |
| 4268907 | Cache unit bypass apparatus | Robert W. Norman, Jr., Richard T. Flynn | 1981-05-19 |
| 4245304 | Cache arrangement utilizing a split cycle mode of operation | Robert W. Norman, Jr., William A. Shelly | 1981-01-13 |
| 4225922 | Command queue apparatus included within a cache unit for facilitating command sequencing | — | 1980-09-30 |
| 4217640 | Cache unit with transit block buffer apparatus | Charles P. Ryan, William A. Shelly | 1980-08-12 |
| 4208716 | Cache arrangement for performing simultaneous read/write operations | William A. Shelly, Robert W. Norman, Jr. | 1980-06-17 |