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| Patents for R. Henry Marsh | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 415,114 | Nov. 12, 1889 | J.M. Martin | Implement for Removing Nuts from the Ends of Bolts Located on the Insides of Stoves and in Other Places Difficult of Access | |
 | 492,570 | Feb. 28, 1893 | G.M. Casey | Bottle Opening Implement | |
 | 700,156 | May 13, 1902 | R.J. Simpson | Draftsman's Scale | |