| Patents for William Cronk |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 272,031 | Feb. 13, 1883 | W. Cronk | Barn Door Hanger | |
| 288,980 | Nov. 27, 1883 | W. Cronk | Stay Roller for Sliding Doors | |
| 288,981 | Nov. 27, 1883 | W. Cronk | Stay Roller for Sliding Doors | |
| 318,601 | May 26, 1885 | W. Cronk | Post and Stake Bar | |
| 344,769 | Jun. 29, 1886 | W. Cronk | Pliers | pliers |
| 366,205 | Jul. 12, 1887 | W. Cronk | Combined Screw Driver and Awl | screwdrivers |
| 509,999 | Dec. 05, 1893 | W. Cronk | Hand Rake | rakes |
| 510,000 | Dec. 05, 1893 | W. Cronk | Door Hanger | |
| 577,818 | Feb. 23, 1897 | W. Cronk | Latch | |
| 597,896 | Jan. 25, 1898 | W. Cronk | Pliers and Staple Puller | pliers |
| 632,835 | Sep. 12, 1899 | W. Cronk | Combination Pliers and Staple-Pullers | pliers |
| 670,416 | Mar. 26, 1901 | W. Cronk | Pruning Shears | |
| 670,417 | Mar. 26, 1901 | W. Cronk | Hand Rake | rakes |
| D35,504 | Dec. 31, 1901 | W. Cronk | Ferrule | |
| 764,353 | Jul. 05, 1904 | W. Cronk | Wrench | quick adjust wrenches |
