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| Patents for H. S. Walter | |||||
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| Number | Date | Patentee | Title | Type | |
| 893,223 | Jul. 14, 1908 | C. Bodmer | Bevel | bevels | |
| 913,993 | Mar. 02, 1909 | A. Turnbull | Trammel-Point | trammels | |
| 918,073 | Apr. 13, 1909 | C.E. Mitchell | Screw-Driver | screwdriver handles | |
| 986,647 | Mar. 14, 1911 | A.F. Schade | Chuck | brace chucks | |
| 1,026,367 | May 14, 1912 | H.P. Richards | Zigzag Rule Joint | folding rule joints | |