| Patents Granted on 1897-03-?? |
Patents 1 -
15
of 74
      |
| Number | Date | Patentee | Title | Type |
| 577,868 | Mar. 02, 1897 | T.H. Lewis | Machine for cutting mortises for hinges in doors and door-jambs | mortising machines |
| 577,880 | Mar. 02, 1897 | J.M. Pflieger | Key Locking Wrench | quick adjust wrenches |
| 577,889 | Mar. 02, 1897 | H.J. Thomas | Gage-roll for sawmills | sawmill set works |
| 577,898 | Mar. 02, 1897 | J. Walrath | Explosive Engine | internal combustion engine valves |
| 577,904 | Mar. 02, 1897 | B.D. Whitney | Expansible reamer | |
| 577,975 | Mar. 02, 1897 | L. Bunnell | Floor-clamp | floor clamps |
| 578,034 | Mar. 02, 1897 | O. Bomborn | Vaporizer for Petroleum Engines | carburetors |
| 578,038 | Mar. 02, 1897 | A.H. Hesterhagen | Cutting Attachments For Pliers | pliers |
| 578,050 | Mar. 02, 1897 | C.H. Weston | Band-saw | sawblades |
| 578,072 | Mar. 02, 1897 | J. Birrell | Portable drag-saw | drag saws |
| 578,112 | Mar. 02, 1897 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 578,209 | Mar. 02, 1897 | H.A. Carlson | Hollow auger | hollow bits |
| 578,214 | Mar. 02, 1897 | T.E. Keavy | Sandpapering and buffing machine | sanding machines |
| 578,218 | Mar. 02, 1897 | R.E. Daggs, A.J. Daggs | Log-carrier | sawmill accessories |
| 578,249 | Mar. 02, 1897 | M.D. Letteer | Combination Tool | wrench combination tools |
