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US148553.pdf (file size: 62 KB, MIME type: application/pdf)

Patent No. 148,553. “Improvement in Sky-Rockets"; granted to Jacob J. Detwiller, of Jersey City, N. J.

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current22:43, 1 April 2020 (62 KB)RobertG (Talk | contribs) (Patent No. 148,553. “Improvement in Sky-Rockets"; granted to Jacob J. Detwiller, of Jersey City, N. J.)

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