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| Patents for John R. Frantz | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,137,854 | May 04, 1915 | J.R. Frantz | Doweling-machine | ||
| 2,380,226 | Jul. 10, 1945 | J.R. Frantz | Automatic Compressor Regulator | air compressor controllers | |