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| Patents for Joseph Entwisle | |||||
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| Number | Date | Patentee | Title | Type | |
| 767,377 | Aug. 16, 1904 | R.H. Bowen | Sheave, wheel, or pulley | industrial machine pulleys and belt drive mechanisms | |
| 788,185 | Apr. 25, 1905 | R.H. Bowen | Sheet-metal pulley | industrial machine pulleys and belt drive mechanisms | |
| 828,698 | Aug. 14, 1906 | L. Zamboni | Pulley-frame | door and window hardware | |