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William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 5023776 | Store queue for a tightly coupled multiple processor configuration with two-level cache buffer storage A multiprocessor system includes a system of store queues and write buffers in a hierarchical first level and second level memory system including a first level store queue for storing instructions and/or data from a processor of the multiprocessor system... | 06/11/1991 |
| 4916652 | Dynamic multiple instruction stream multiple data multiple pipeline apparatus for floating-point single instruction stream single data architectures A dynamic multiple instruction stream, multiple data, multiple pipeline (MIMD) apparatus simultaneously executes more than one instruction associated with a multiple number of instruction streams utilizing multiple data associated with the multiple number... | 04/10/1990 |
| 4914617 | High performance parallel binary byte adder A parallel binary byte adder performs addition and subtraction on the individual bytes of an A-operand and a B-operand as well as on the entire A and B operand. An A-operand is input to a special adder circuit. A B-operand is modified in a set up logic ci... | 04/03/1990 |
