| Patents for Jas. E. Hutchinson |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 129,614 | Jul. 16, 1872 | E. Stewart | Improvement in Plow-Clevises | clevises |
| 137,908 | Apr. 15, 1873 | D. Frank | Improvements in Monkey-Wrenches | quick adjust wrenches |
| 151,824 | Jun. 09, 1874 | J.W. Barnastee | Improvement in Calipers | calipers |
| 188,413 | Mar. 13, 1877 | C. Robinson | Clevis for Plows | clevises |
| 201,837 | Mar. 26, 1878 | C. Robinson | Improvements in Plow-Clevises | clevises |
| 238,761 | Mar. 15, 1881 | J.J. Carmody | Pipe Wrench | chain and strap wrenches |
| 288,560 | Nov. 13, 1883 | R.C. Ellrich | Tool Handle | tool handles |
| 311,405 | Jan. 27, 1885 | S.S. Aughe | Plow Clevis | clevises |
| 447,665 | Mar. 03, 1891 | F.S. Cook | Wrench | pipe and nut combination wrenches |
| 460,008 | Sep. 22, 1891 | H. James, R.S. Gillespie | Pipe Wrench | pipe wrenches |
| 460,539 | Sep. 29, 1891 | L. Schlesinger | Wrench | screw adjust wrenches |
| 461,750 | Oct. 20, 1891 | H. James, R.S. Gillespie | Pipe Wrench | pipe wrenches |
| 481,110 | Aug. 16, 1892 | H. James, R.S. Gillespie | Wrench | pipe wrenches |
| 762,351 | Jun. 14, 1904 | A.M. Sanders | Wrench | pipe and nut combination wrenches |
| 946,190 | Jan. 11, 1910 | F.J. Ziegler | Combined Hinge-Gage and Hinge-Seat Cutter | butt gauges |
