| All Patents in class 72/319 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 142,921 | Sep. 16, 1873 | W.F. Kistler | Sheet Metal Bending-Machines | sheet metal brakes |
| 393,583 | Nov. 27, 1888 | J.M. Robinson | Brake for Bending Sheet Metal | sheet metal brakes |
| 396,319 | Jan. 15, 1889 | M. Young | Machine for Bending Hinge Blanks | |
| 690,320 | Dec. 31, 1901 | D. Robertson | Machine for Hammering or Tapering Piston Rings | metal swaging machines |
| 1,128,421 | Feb. 16, 1915 | J.K. Diamond | Tool for clenching belt-fasteners | belts, belt lacing and belt lacers |
| 2,028,869 | Jan. 28, 1936 | J. Jensen | Bending Brake | sheet metal brakes |
| 2,181,566 | Nov. 28, 1939 | J. Jensen | Portable bending brake | sheet metal brakes |
| 2,190,839 | Feb. 20, 1940 | J. Jensen | Bending Brake | sheet metal brakes |
| 2,302,958 | Nov. 24, 1942 | J. Jensen | Bending Brake | sheet metal brakes |
| 2,413,523 | Dec. 31, 1946 | R.M. Shaw, Jr. | Bending Machine | metal bending machines |
| 2,474,683 | Jun. 28, 1949 | V.F. Linder | Bending brake with adjustable work stop and clamping means | sheet metal brakes |
| 2,564,459 | Aug. 14, 1951 | R.L. Berkson | Sheet metal brake | sheet metal brakes |
| 3,685,335 | Aug. 22, 1972 | L.J. Kowal | Tube bender | pipe and tube benders |
| 5,222,386 | Jun. 29, 1993 | R.L. Jones, Jr. | Hand Brake | locking pliers |
| 5,253,498 | Oct. 19, 1993 | R.J. Benedict | Bending Brake with Multiple Selectively Operative Clamp Jaws | sheet metal brakes |
