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#1
June 24th 03, 12:17 AM
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Intel patents associated with key products?
I am conducting research for an article and am trying to identify
patents associated with key Intel products: - iAPX-432 family of chips and system 86/330 integrated microcomputer system (both introduced way back in 1981) - the 216A (a 64k RAM) - 386, 486, and Pentium Pro processors - 440BX chipset. Any ideas? 
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#2
June 24th 03, 01:02 AM
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On Mon, 23 Jun 2003 19:17:49 -0400, ian wrote:
I am conducting research for an article and am trying to identify patents associated with key Intel products: - iAPX-432 family of chips and system 86/330 integrated microcomputer system (both introduced way back in 1981) - the 216A (a 64k RAM) - 386, 486, and Pentium Pro processors - 440BX chipset. Any ideas? An interesting event is when the courts nullified one of intel's microprocessor patents (IIRC, the 2-level page table arrangement of the 80386) which allowed the now-defunct x86 clone companies to compete. AFAIK (and I may be !!WRONG!!), the patent was perfectly valid but the courts believed intel was abusing the patent to build a monopoly and so decided to nullify it.
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#3
June 24th 03, 03:56 AM
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"Barnaby Jones" wrote in message news  On Mon, 23 Jun 2003 19:17:49 -0400, ian wrote: I am conducting research for an article and am trying to identify patents associated with key Intel products: - iAPX-432 family of chips and system 86/330 integrated microcomputer system (both introduced way back in 1981) - the 216A (a 64k RAM) - 386, 486, and Pentium Pro processors - 440BX chipset. Any ideas? An interesting event is when the courts nullified one of intel's microprocessor patents (IIRC, the 2-level page table arrangement of the 80386) which allowed the now-defunct x86 clone companies to compete. AFAIK (and I may be !!WRONG!!), the patent was perfectly valid but the courts believed intel was abusing the patent to build a monopoly and so decided to nullify it. As far as I know, two level page tables are the most common kind, unless I misunderstand the definition of two level page table. There seem to be plenty of patents issued for what should otherwise be prior art or obvious designs. -- glen
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