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| Patents for Anson O. Kittredge | |||||
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| Number | Date | Patentee | Title | Type | |
| 153,663 | Aug. 04, 1874 | W.J. Clark, A.O. Kittredge, W.H. Clark | Mallets for Smothing Sheet Metal | power hammers | |
| 166,703 | Aug. 17, 1875 | W.J. Clark, W.H. Clark, A.O. Kittredge | Mallets for Smoothing Sheet Metal | drop hammers | |
| 343,540 | Jun. 08, 1886 | A.O. Kittredge, F.M. Leavitt | Malleting Machine | power hammers | |
| 364,262 | Jun. 07, 1887 | A.O. Kittredge | Sheet Metal Scroll Cutter | scroll cutters | |