| All Patents in class 72/409.02 |
Patents 1 -
15
of 30
      |
| Number | Date | Patentee | Title | Type |
| 116,440 | Jun. 27, 1871 | H. Nyland, G. Heesen, J. Heesen | Instrument for Ringing Hogs | hog ring |
| 130,853 | Aug. 27, 1872 | H.W. Hill | Improvement in Implements for Ringing Hogs | hog ring |
| 148,656 | Mar. 17, 1874 | E. Blair | Devices for Ringing Swine | hog ring |
| 154,046 | Aug. 11, 1874 | A.L. Hill | Hog-Ringing Nippers | hog ring |
| 154,832 | Sep. 08, 1874 | W.D. Brown | Improvement in Instruments For Ringing Hogs | hog ring |
| 156,054 | Oct. 20, 1874 | J. Burger | Snout-Jewel Pliers | hog ring |
| 156,125 | Oct. 20, 1874 | E. Blair | Hog-Ringing Nippers | hog ring |
| 203,272 | May 07, 1878 | H.W. Hill | Hog-Ringing Implement | hog ring |
| 206,419 | Jul. 30, 1878 | W.D. Brown | Instrument For Ringing Swine | hog ring |
| 213,618 | Mar. 25, 1879 | J.H. Brown | Hog-Ringing Implement | hog ring |
| 216,468 | Jun. 10, 1879 | A. St. Mary | Hog-Ring and Ringing Implement | hog ring |
| 217,082 | Jul. 01, 1879 | O.A. Essig | Device For Forming And Inserting Rings In The Noses of Hogs | hog ring |
| 226,915 | Apr. 27, 1880 | J. Heesen | Hog-Ringing Tool | hog ring |
| 256,713 | Apr. 18, 1882 | E. Major | Hog Ring Pinchers | hog ring |
| 297,853 | Apr. 29, 1884 | C.B. Rubert | Watch Maker's Hand Vise And Ring Bender | pliers |
