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| Patents for Henry J. Oldring Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 320,434 | Jun. 16, 1885 | W.H. Gray | Pulley and belt-shipper for machinery | woodworking machine mechanisms | |
| 321,596 | Jul. 07, 1885 | W.H. Gray | Fastening for cutter-heads | ||
| 324,056 | Aug. 11, 1885 | W.H. Gray, A.B. Hutchinson, J.F. Welch | Wood-planing machine | wood planers | |
| 390,047 | Sep. 25, 1888 | J.F. Welch | Wood-planing machine | wood planers | |
| 401,524 | Apr. 16, 1889 | J.F. Welch, E.F. Autenrieth | Feeding device for planing-machines | wood planers | |