| All Patents in class 29 |
Patents 1291 -
1305
of 2222
      |
| Number | Date | Patentee | Title | Type |
| 1,774,718 | Sep. 02, 1930 | H.B. McCabe | Apparatus for Bringing an Unbalanced Rotative Body into a State of Balance | balancing gauges |
| 1,775,270 | Sep. 09, 1930 | J.E. Bergman | Combination Tool | pliers |
| 1,776,159 | Sep. 16, 1930 | M.C. Dellinger, H.W. Kulp | Shield | valve spring tools |
| 1,779,674 | Oct. 28, 1930 | A.M. Johnson | Rotary work support | tapping machines |
| 1,782,138 | Nov. 18, 1930 | F.M. Davis, A.C. Hoeh | Continuously-operating multiple lathe | multiple spindle lathes |
| 1,783,121 | Nov. 25, 1930 | J.H. Hoern | Piston Ring Burr Removing Device | surface grinders |
| 1,783,250 | Dec. 02, 1930 | R.E. Manley | Lever mechanism | screw presses |
| 1,783,884 | Dec. 02, 1930 | C.C. Lee | Valve-seat liner | valve and seat maintenance |
| 1,786,029 | Dec. 23, 1930 | J.H. Phillips | Tool Holder | tool holders |
| 1,786,148 | Dec. 23, 1930 | E.P. Bullard, Jr. | Station-Type Drilling and Tapping Machine | |
| 1,786,438 | Dec. 30, 1930 | B.A. Linderman | Fluid-pressure brake | vehicle brakes |
| 1,789,569 | Jan. 20, 1931 | C.E. Tannewitz | Bandsaw with dust collection | bandsaws |
| 1,791,505 | Feb. 10, 1931 | C. Knoth | Riveting Machine | riveting machines |
| 1,793,454 | Feb. 24, 1931 | M.B. Bengtson | Device For Introducing Teat-Cup Liners Into Teat Cups | milking tools |
| 1,794,441 | Mar. 03, 1931 | E.P. Bullard, Jr. | Vertical Turret Lathe | vertical turret lathes |
