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    SubjectRe: Patent
    Followup to:  <>
    By author: "Richard B. Johnson" <>
    In newsgroup:
    > If anybody's interested, I can provide source-code, dated in the first
    > part of this decade (1991), that uses the obvious "windowing" mechanism
    > to set the century byte of the CMOS chip. This is used in the Analogic
    > 2030 arbitrary function generator. I wrote the BIOS. This source-code
    > is proprietary, however, to support a petition against MD, it could
    > certainly be referenced and possibly forced into evidence if a complaint
    > ever went that far.
    > Just because a patent was issued, it does not mean it's valid. If the
    > patent holder is informed that your use predates his, and it becomes
    > obvious that there was prior art not cited in the application, the
    > patent holder will usually issue an "unrestricted license" so that
    > nobody has to show patent validity or otherwise.

    Actually, the windowing approach was used in PC-DOS 2.0 (1981-or-so):
    if you enter a two-digit date it is mapped on the 1980-2079 window.

    <> at work, <> in private!

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