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US1299217.pdf (file size: 254 KB, MIME type: application/pdf)

Patent No. 1,299,217. “Rocket"; granted to Henry J. Pain, of New York, N. Y.

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current22:43, 1 April 2020 (254 KB)RobertG (Talk | contribs) (Patent No. 1,299,217. “Rocket"; granted to Henry J. Pain, of New York, N. Y.)

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