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All Patents in class 112/131 | |||||
Number | Date | Patentee | Title | Type | |
27,179 | Feb. 14, 1860 | C.D. Wheeler | Improvement in Marking Gages for Sewing Machines | special purpose gauges | |
152,948 | Jul. 14, 1874 | F. Henry | Improvement in Tuck Markers |