| Patents for Grob Brothers |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 1,836,741 | Dec. 15, 1931 | W. Anderson | Filing Machine |
 | 1,891,742 | Dec. 20, 1932 | W. Anderson | Filing Machine |
 | 1,949,742 | Mar. 06, 1934 | T. Grob, B. Grob | Filing Machine |
 | 1,958,477 | May 15, 1934 | T. Grob, B. Grob | Filing Machine |
 | RE19,999 | Jun. 09, 1936 | T. Grob, B. Grob | Filing Machine |
 | 2,050,490 | Aug. 11, 1936 | B. Grob | Open end band saw |
 | 2,090,195 | Aug. 17, 1937 | B. Grob | Open end band saw machine |
 | 2,192,788 | Mar. 05, 1940 | T. Grob, B. Grob | Filing Machine |
 | 2,208,543 | Jul. 16, 1940 | B. Grob | Endless Abrasive Device |
 | 2,253,515 | Aug. 26, 1941 | T. Grob, B. Grob | Band saw |
