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| Patents for John H. Prugh | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 728,423 | May 19, 1903 | A.T. Spence, J.H. Prugh, S.B. Zimmer | Floor surfacer, cleaner, and polisher | |
 | RE12,681 | Aug. 20, 1907 | A.T. Spence, S.B. Zimmer, J.H. Prugh | Floor surfacer, cleaner and polisher | |
 | 928,154 | Jul. 13, 1909 | J.H. Prugh | Surfacing and polishing machine | |