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| Patents for Rock Island Manufacturing Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,019,540 | Mar. 05, 1912 | C.E. Shields | Bench-vise support | bench vises | |
| 1,036,155 | Aug. 20, 1912 | C.E. Shields | Combination Bench Vise and Anvil | vises | |
| 1,111,103 | Sep. 22, 1914 | C.E. Shields | Adjustment for Bench Vises | bench vises | |
| 1,180,448 | Apr. 25, 1916 | C.E. Shields | Power-grinder | grindstone frames | |
| 1,199,119 | Sep. 26, 1916 | C.E. Shields | Sad-iron | pressing irons | |
| 1,266,724 | May 21, 1918 | C.E. Shields | Anvil Vise with Forge, Blower and Drill | anvil vises | |