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| Patents for Canadian Bond Hanger & Coupling Co., Ltd. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 939,829 | Nov. 09, 1909 | J.R. Grundy | Insulating shaft-coupling | |
 | CA-126,834 | Jul. 12, 1910 | J.R. Grundy | Insulating shaft-coupling | |