| All Patents in class 72/48 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 26,679 | Jan. 03, 1860 | L.T. Hulbert | Double Seamer | tinsmith |
| 87,692 | Mar. 09, 1869 | J. Mays, E.W. Bliss | Improvement in sheet-metal-seaming machine | can making machines |
| 130,853 | Aug. 27, 1872 | H.W. Hill | Improvement in Implements for Ringing Hogs | hog ring |
| 203,272 | May 07, 1878 | H.W. Hill | Hog-Ringing Implement | hog ring |
| 216,468 | Jun. 10, 1879 | A. St. Mary | Hog-Ring and Ringing Implement | hog ring |
| 266,604 | Oct. 31, 1882 | O.W. Burritt | Double-seaming machine | sheet metal |
| 300,302 | Jun. 10, 1884 | O.W. Burritt | Machine for seaming or double-seaming joints of sheet-metal roofing | roofing machines |
| 307,521 | Nov. 04, 1884 | O.W. Burritt | Machine for cross-seaming sheet metal | |
| 314,448 | Mar. 24, 1885 | C. Hoff | Sheet Metal Seaming Machine | roller seaming machines |
| 557,719 | Apr. 07, 1896 | W.S. Taylor | Nose Ringer | nose ring tools |
| 909,644 | Jan. 12, 1909 | S. McCloud | Machine for Forming Bars or Rounds from Metal Plates | sheet metal forming rolls |
| 2,283,258 | May 19, 1942 | J. Jensen | Method of and means for producing sheet metal joint locks and the like | sheet metal bending machines |
