| Patents for Grob Brothers | 
| Patents 1 - 
					14
					of 14 
       | 
| Number | Date | Patentee | Title | Type | 
| 1,836,741 | Dec. 15, 1931 | W. Anderson | Filing Machine | filing machines | 
| 1,891,742 | Dec. 20, 1932 | W. Anderson | Filing Machine | filing machines | 
| 1,949,742 | Mar. 06, 1934 | T. Grob, B. Grob | Filing Machine | filing machines | 
| 1,958,477 | May 15, 1934 | T. Grob, B. Grob | Filing Machine | filing machines | 
| RE19,999 | Jun. 09, 1936 | T. Grob, B. Grob | Filing Machine | filing machines | 
| 2,050,490 | Aug. 11, 1936 | B. Grob | Open end band saw | metal cutting bandsaws | 
| 2,090,195 | Aug. 17, 1937 | B. Grob | Open end band saw machine | bandsaws | 
| 2,192,788 | Mar. 05, 1940 | T. Grob, B. Grob | Filing Machine | filing machines | 
| 2,208,543 | Jul. 16, 1940 | B. Grob | Endless Abrasive Device | filing machines | 
| 2,253,515 | Aug. 26, 1941 | T. Grob, B. Grob | Band saw | metal cutting bandsaws | 
| 2,322,684 | Jun. 22, 1943 | T. Grob, B. Grob | Machine Tool | filing machines | 
| 2,364,969 | Dec. 12, 1944 | T. Grob, B. Grob | Work feed | metal cutting bandsaws | 
| 2,372,826 | Apr. 03, 1945 | B. Grob | Filing Machine | filing machines | 
| 2,616,160 | Nov. 04, 1952 | H.R. Noll | Work feed | metal cutting bandsaws |