| Patents for none listed |
Patents 601 -
615
of 3291
      |
| Number | Date | Patentee | Title | Type |
| 1,391,016 | Sep. 20, 1921 | H.R. Slider, W.T. Slider | Micrometer | micrometers |
| 1,392,313 | Oct. 04, 1921 | G.S. Fallow | Screw Thread Gage | special purpose gauges |
| 1,392,391 | Oct. 04, 1921 | F.E. Bartz | Quick Adjustable Monkey Wrench | quick adjust wrenches |
| 1,392,443 | Oct. 04, 1921 | W. Petersen | Wrench | locking pliers |
| D59,325 | Oct. 11, 1921 | W.S. Bellows | Tool | socket wrenches |
| 1,393,073 | Oct. 11, 1921 | L.G. Bayrer | Drop Hammer | drop hammers |
| 1,393,920 | Oct. 18, 1921 | W.P. Strickland | Nipple Grip | spoke nipple wrenches |
| 1,394,033 | Oct. 18, 1921 | E.A. Dautor, J.A. McLeod | Adjustable Jar Cover Opener | jar wrenches |
| 1,394,418 | Oct. 18, 1921 | G.W. Lant | Grinding Machine | internal grinders |
| GB-170,648 | Oct. 24, 1921 | P.V. Vernon, A. Herbert | Improvements in Work Tables and Work Chucking Devices for Milling or for Like Machine Tools | milling machines |
| D59,506 | Oct. 25, 1921 | E.W. Myers | Ornamentation for Pliers Handles or Similar Tools | pliers |
| RE15,222 | Nov. 08, 1921 | H.G. Rice | Bottle Capper | bottle cappers |
| 1,396,298 | Nov. 08, 1921 | A. Stockland | Screw Cap Wrench | jar wrenches |
| 1,396,861 | Nov. 15, 1921 | W.J. Lucks | Valve Grinder | valve grinding tools |
| 1,396,863 | Nov. 15, 1921 | J.L. Mayhew | Pliers | pliers |
