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| Patents for E. & B. Holmes Machinery Co., Inc. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,799,840 | Apr. 07, 1931 | E.F. Beugler | Barrel-making machine | cooper | |
| 1,799,841 | Apr. 07, 1931 | E.F. Beugler | Barrel chamfering, crozing, and trimming apparatus | cooper | |
| 1,799,842 | Apr. 07, 1931 | E.F. Beugler | Barrel-making machine | cooper | |