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| Patents for Bernard J. Isecke | |||||
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| Number | Date | Patentee | Title | Type | |
| 457,079 | Aug. 04, 1891 | R. Dutton | Machine for grinding mower-knives | sharpeners | |
| 481,275 | Aug. 23, 1892 | R. Dutton | Machine for grinding mower-knives | sharpeners | |
| 503,127 | Aug. 15, 1893 | R. Dutton | Machine for grinding mower-knives | sharpeners | |
| 528,772 | Nov. 06, 1894 | R. Dutton | Whetstone | whetstones | |
| 622,212 | Apr. 04, 1899 | R. Dutton | Twist-drill grinder | drill grinders | |