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| All Patents in class 403/391 | |||||
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| Number | Date | Patentee | Title | Type | |
| 907,418 | Dec. 22, 1908 | E.H. Sheldon | Lathe | wood lathes | |
| 1,004,574 | Oct. 03, 1911 | J.M. Jones | Coupling device | industrial machine mechanisms | |
| 1,431,415 | Oct. 10, 1922 | F.W. Parsons, F.A. Jimerson | Built-up crank shaft | pneumatic motors | |
| 1,437,032 | Nov. 28, 1922 | C.H. White | Tool Holder for Cultivators | agricultural tool holders | |
| 6,929,275 | Aug. 16, 2005 | P.E. Schlangen | Person transport wheelchair | ||