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| Patents for Henry Bertram | |||||
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| Number | Date | Patentee | Title | Type | |
| 862,437 | Aug. 06, 1907 | H. Bertram | Lathe | metal lathes | |
| 912,063 | Feb. 09, 1909 | H. Bertram | Metal-planer | metal planers | |
| CA-117,209 | Mar. 16, 1909 | H. Bertram | Metal planer | metal planers | |
| 1,055,508 | Mar. 11, 1913 | H. Bertram | Gapped gear | car wheel lathes | |