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Patents and Inventions
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1856: Fax Machine by Giovanni Caselli
KorbenDallas
Nov 4, 2020
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Nov 4, 2020
KorbenDallas
1854: Variable-Pitch Boat Propeller (VPP) Patent
KorbenDallas
Nov 1, 2020
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Nov 1, 2020
KorbenDallas
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