Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 4494190 | FIFO buffer to cache memory A minicomputer system is disclosed having a megabus with a plurality of processors and/or subprocessors, input/output (I/O) units and including logic for enabling the detection, decoding, storage and dispatching of data and instructions between the megabu... | 01/15/1985 |
| 4449202 | Full duplex integrated circuit communication controller An integrated circuit chip for controlling the transmission of data between a host peripheral device and other peripheral devices or a remote processor in which the transmission of data takes place in either a processor interrupt mode or a direct memory a... | 05/15/1984 |
| 4396995 | Adapter for interfacing between two buses An asynchronous interface adapter for interfacing two bidirectional data buses. Data transfer between buses may occur simultaneously with provision made for storing bus data from a first bus until a receiver on the second bus is available. The adapter pro... | 08/02/1983 |
| 4314353 | On chip ram interconnect to MPU bus A microprocessor interconnected to a RAM on the same integrated circuit chip. Interconnect circuitry connects the RAM to the microprocessor data bus to allow RAM data to be transferred to an instruction register of the microprocessor which permits the RAM... | 02/02/1982 |
| 4218740 | Interface adaptor architecture A peripheral interface adaptor (PIA) circuit for data processing systems contains memory elements or control registers allowing modification under program control of the logical functions of the PIA. The peripheral interface adaptor includes a plurality of sys... | 08/19/1980 |
