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All Patents in class 454/63 | |||||
Number | Date | Patentee | Title | Type | |
693,838 | Feb. 25, 1902 | W.E. Canedy | Chimney for blacksmiths' forges | forging machines | |
4,850,382 | Jul. 25, 1989 | D.P. Williams | Work booth for a robot |