| Patents Granted on 1921-10-04 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| FE-23,110 | Oct. 04, 1921 | H. Hunt, H.W. Hunt, P. Hunt | Machine to groove and cut twist drills | drill grinders |
| 1,392,305 | Oct. 04, 1921 | A.A. Day | Door structure for air-washers and the like | |
| 1,392,313 | Oct. 04, 1921 | G.S. Fallow | Screw Thread Gage | special purpose gauges |
| 1,392,325 | Oct. 04, 1921 | B.M. Hanson | Vertical Surface Grinding Machine | surface grinders |
| 1,392,373 | Oct. 04, 1921 | J.E. Wainwright | Valve Lifting Device | valve spring tools |
| 1,392,391 | Oct. 04, 1921 | F.E. Bartz | Quick Adjustable Monkey Wrench | quick adjust wrenches |
| 1,392,434 | Oct. 04, 1921 | R.M. Miller | Vise | vises |
| 1,392,443 | Oct. 04, 1921 | W. Petersen | Wrench | locking pliers |
| 1,392,572 | Oct. 04, 1921 | E. Ek | Brake for lineal-measuring registers | wood planer accessories |
| 1,392,573 | Oct. 04, 1921 | E. Ek | Register for lineal measuring | wood planer accessories |
| 1,392,678 | Oct. 04, 1921 | J.F. Buhr | Chuck | metal lathe chucks |
| 1,392,710 | Oct. 04, 1921 | C.F. Shong | Siding-Marker | clapboard markers |
