| Patents Granted on 1897-02-23 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 577,451 | Feb. 23, 1897 | E.A. Rich | Tire Bolt Wrench | tire bolt wrenches |
| 577,492 | Feb. 23, 1897 | J.M. Nash | Automated spindle machine | wood lathes |
| 577,531 | Feb. 23, 1897 | F. Lombard | Drop Hammer | |
| 577,536 | Feb. 23, 1897 | A. Peugeot | Oil Engine | oil engines |
| 577,556 | Feb. 23, 1897 | H.B. Keiper | Drill | drill presses |
| 577,559 | Feb. 23, 1897 | C. Morrill | Anvil for Saw-Sets | saw sets |
| 577,567 | Feb. 23, 1897 | L.H. Wattles | Gas Engine | gas and gasoline engines |
| 577,582 | Feb. 23, 1897 | H.J. Mitchell, F.L. Lane | Abrading-cylinder | sanding machines |
| 577,632 | Feb. 23, 1897 | C.E. Thompson | Monkey Wrench | wrench handle components |
| 577,653 | Feb. 23, 1897 | W.J. Grinden, G. Amborn, Jr. | Chain Wrench | chain and strap wrenches |
| 577,654 | Feb. 23, 1897 | G. Amborn, Jr., W.J. Grinden | Chain Wrench | chain and strap wrenches |
| 577,670 | Feb. 23, 1897 | N. Tesla | Apparatus for Producing Electric Currents of High Frequency | |
| 577,671 | Feb. 23, 1897 | N. Tesla | Manufacture of Electrical Condensers, Coils, &c. | |
| 577,707 | Feb. 23, 1897 | J. Barker | Gear-cutting machine | gear making machines |
| 577,761 | Feb. 23, 1897 | H.G. Lange | Coffee Roaster | coffee roasters |
