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| Patents for A. F. Walz | |||||
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| Number | Date | Patentee | Title | Type | |
| 349,330 | Sep. 21, 1886 | C.E. Zimmerman | Sash Marking Gage | special purpose gauges | |
| 361,446 | Apr. 19, 1887 | A. Patterson | Combination Tool | combination tools | |
| 408,479 | Aug. 06, 1889 | J.A. Giles | Pipe Wrench | pipe wrenches | |
| 431,236 | Jul. 01, 1890 | R.W. Smith | Monkey Wrench | nut wrenches | |