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| Patents for Fred R. Patch | |||||
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| Number | Date | Patentee | Title | Type | |
| 681,926 | Sep. 03, 1901 | F.R. Patch | Double Platen Planer | stone cutting machines | |
| 1,149,533 | Aug. 10, 1915 | F.R. Patch | Coping Head | stone cutting machines | |
| 1,233,120 | Jul. 10, 1917 | F.R. Patch | Grinding and Polishing Machine | stone cutting machines | |