| All Patents in class 72/48 |
Patents 1 -
12
of 12
      |
| Number | Title | Classification(s) |
| 26,679 | Double Seamer | 30/122, 72/48 |
| 87,692 | Improvement in sheet-metal-seaming machine | 72/48 |
| 130,853 | Improvement in Implements for Ringing Hogs | 119/835, 606/117, 72/409.02, 72/48 |
| 203,272 | Hog-Ringing Implement | 30/271, 72/409.02, 72/48 |
| 216,468 | Hog-Ring and Ringing Implement | 119/835, 24/1, 294/118, 606/117, 72/409.02, 72/48 |
| 266,604 | Double-seaming machine | 72/48 |
| 300,302 | Machine for seaming or double-seaming joints of sheet-metal roofing | 72/48 |
| 307,521 | Machine for cross-seaming sheet metal | 72/48 |
| 314,448 | Sheet Metal Seaming Machine | 72/48 |
| 557,719 | Nose Ringer | 72/409.02, 72/437, 72/48 |
| 909,644 | Machine for Forming Bars or Rounds from Metal Plates | 72/181, 72/48 |
| 2,283,258 | Method of and means for producing sheet metal joint locks and the like | 29/283.5, 72/181, 72/48 |
