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| Patents for W. S. Van Loon | |||||
| Number | Date | Patentee | Title | Type | |
| 597,743 | Jan. 25, 1898 | B.M. Doud, S.D. Robinson | Wrench | pipe wrenches | |
| 602,340 | Apr. 12, 1898 | J.W. Lind | Pipe Wrench | pipe wrenches | |
| 606,945 | Jul. 05, 1898 | E.J. Gould, W. Smith | Buggy or Wagon Wrench | axle nut wrenches | |