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| All Patents in class 226/108 | |||||
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| Number | Date | Patentee | Title | Type | |
| 711,851 | Oct. 21, 1902 | B.M. Hanson | Feed Mechanism for Metal Working Machines | screw machines | |
| 711,852 | Oct. 21, 1902 | B.M. Hanson | Feed Mechanism for Metal Working Machines | screw machines | |