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US499790.pdf (file size: 98 KB, MIME type: application/pdf)

Patent No. 499,790. "Rocket-Stand"; granted to William H. Meadowcroft, of New York, N. Y.

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current22:43, 1 April 2020 (98 KB)RobertG (Talk | contribs) (Patent No. 499,790. "Rocket-Stand"; granted to William H. Meadowcroft, of New York, N. Y.)

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