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| Patents for James G. Clark | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 301,080 | Jul. 01, 1884 | L.C. Strickland, E.F. Barnes | Outside pipe-cutter | |
![]() | 404,377 | Jun. 04, 1889 | E.F. Barnes | Convertible machine for grooving and sawing wood | |