| All Patents in class 72/409.02 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 116,440 | Jun. 27, 1871 | H. Nyland, G. Heesen, J. Heesen | Instrument for Ringing Hogs | pliers |
| 130,853 | Aug. 27, 1872 | H.W. Hill | Improvement in Implements for Ringing Hogs | pliers |
| 154,832 | Sep. 08, 1874 | W.D. Brown | Improvement in Instruments For Ringing Hogs | pliers |
| 203,272 | May 07, 1878 | H.W. Hill | Hog-Ringing Implement | pliers |
| 206,419 | Jul. 30, 1878 | W.D. Brown | Instrument For Ringing Swine | pliers |
| 213,618 | Mar. 25, 1879 | J.H. Brown | Hog-Ringing Implement | pliers |
| 216,468 | Jun. 10, 1879 | A. St. Mary | Hog-Ring and Ringing Implement | pliers |
| 217,082 | Jul. 01, 1879 | O.A. Essig | Device For Forming And Inserting Rings In The Noses of Hogs | pliers |
| 226,915 | Apr. 27, 1880 | J. Heesen | Hog-Ringing Tool | pliers |
| 324,391 | Aug. 18, 1885 | J.H. Lindsley | Hog Ringing Pinchers | pliers |
| 336,715 | Feb. 23, 1886 | C.F. Hill | Pliers | pliers |
| 467,422 | Jan. 19, 1892 | C.H. Marshall | Nose-Ringing Tool | pliers |
| 475,767 | May 31, 1892 | H.W. Hill | Hog Ring Pinchers | pliers |
| 651,896 | Jun. 19, 1900 | C. Stoolfire | Wireworking Tool | pliers |
| 1,069,041 | Jul. 29, 1913 | F.A. Strong | Chain Tool | pliers |
