Questions about the history of the patent system or the histories of specific patents.

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Earliest swivel (two sink) mixing faucets?

I would like to know if anyone knows if the following patent is the earliest documented invention of its kind: patent US D65364 S for a faucet, typical of kitchen sinks, that mixed both hot and cold ...
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Patent 92,398 dated July 6, 1869

John Talbott was an ancestor of mine. I have in my possession an original patent with drawings witnessed by W.T. Otto, acting Secretary of the Interior and David S. Fisher, commissioner of patents. ...
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What is Patent #100? Are all numbers used?

Google has a patent service (if you don't already know). Here are some example URLs: http://www.google.com/patents/US1 http://www.google.com/patents/US99 http://www.google.com/patents/US101 ...
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Was there a landmark controversial software patent of a trivial idea before the “XOR flashing cursor” patent?

Currently the majority of bad press about trivial software patents is all centred around Apple and other smartphone industry players. A few years ago it was the Amazon "1-click" patent everybody was ...