| All Patents in class 384 |
Patents 406 -
420
of 721
      |
| Number | Date | Patentee | Title | Type |
| 1,400,282 | Dec. 13, 1921 | P.W. Gates | Molding-machine | ore processing apparatus |
| 1,403,367 | Jan. 10, 1922 | W.A. Whitney | Ball Bearing | industrial machine bearings |
| 1,405,879 | Feb. 07, 1922 | J.H. Vinton | Swinging bracket for heel-shaping machines | shoemaking |
| 1,418,379 | Jun. 06, 1922 | J.D. Karle | Method of securing ball-bearings to shafts | industrial machine bearings |
| 1,426,492 | Aug. 22, 1922 | G.H. Matthews | Removable cutter head for motor-driven molders | molders |
| 1,429,942 | Sep. 26, 1922 | C.W. Francis | Oil guard | washing machines |
| 1,451,891 | Apr. 17, 1923 | T.F. Rataiczak | Meat chopper and method of making same | butcher |
| 1,459,662 | Jun. 19, 1923 | C.W. Manzel | Lubricating System | |
| 1,482,856 | Feb. 05, 1924 | R.L. Morgan | Bearing for grinding spindles | grinders |
| 1,498,170 | Jun. 17, 1924 | F.A. Jimerson | Connecting-rod bearing | pneumatic tools |
| 1,499,949 | Jul. 01, 1924 | W.N. Sawyer | Spindle-lubricating means | woodworking machine lubrication |
| 1,500,523 | Jul. 08, 1924 | C.G. Osteman | Bearing | woodworking machine mechanisms |
| 1,515,266 | Nov. 11, 1924 | R.C. Mitchell | Mounting for shaft bearings | bench or pedestal grinders |
| 1,519,166 | Dec. 16, 1924 | P. Rauch | Brace Tool | brace wrenches |
| 1,537,880 | May 12, 1925 | J.S. Reid | Saw Mill Carriage | sawmill carriages |
