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| Patents for Simon Peter Graham | |||||
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| Picture | Number | Date | Patentee | Title | |
| CA-5,579 | Jan. 22, 1876 | S.P. Graham | Twist drill rolling machine | ||
| 318,466 | May 26, 1885 | S.P. Graham | Drill Chuck | ||
 | 339,544 | Apr. 06, 1886 | S.P. Graham | Combined boring-tool and holder | |
 | CA-24,874 | Sep. 03, 1886 | S.P. Graham | Combined drill and bit shank and holder | |
| 433,078 | Jul. 29, 1890 | S.P. Graham | Cutting Tool and Handle | ||
 | 449,246 | Mar. 31, 1891 | S.P. Graham | Boring-tool holder | |