| Patents Granted on 1870-06-21 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 104,404 | Jun. 21, 1870 | A.L. Andrews | Improvement in Auger Bits | auger bits |
| 104,410 | Jun. 21, 1870 | T. Blandin | Improvement in jig-saws | scrollsaws |
| 104,426 | Jun. 21, 1870 | E.B. Clark | Improvement in Wrenches for Screwing and Unscrewing Cylindric Bolts or Tubes | pipe tongs |
| 104,436 | Jun. 21, 1870 | T. Hair, J. Wood, C.T. Durham | Gage Knife for Cutting Leather | leatherworker |
| 104,437 | Jun. 21, 1870 | J. Edson | Improved Vise | bench vises |
| 104,453 | Jun. 21, 1870 | J.T. Haviland | Corkscrew | combination cork extractors |
| 104,457 | Jun. 21, 1870 | R.H. Hopkins | Improvement in Auger | auger bits |
| 104,458 | Jun. 21, 1870 | J.R. Howell | Improvement in miter-machines | miter machines |
| 104,492 | Jun. 21, 1870 | J.M. Poole | Machine for Grinding Rollers | profile and contour grinders |
| 104,507 | Jun. 21, 1870 | T.S. Smith | Method of Making Files | files |
| 104,539 | Jun. 21, 1870 | C.C. Barton | Improvement in Drawing Knives | draw knives |
| 104,541 | Jun. 21, 1870 | J.D. Beck | Vise | |
| 104,571 | Jun. 21, 1870 | A. Gaar | Improvement in grain-separators | corn and grain separators |
| 104,578 | Jun. 21, 1870 | H.A. Gore | Improvement in machines for rounding and dressing irregular and regular forms | pattern lathes |
| 104,582 | Jun. 21, 1870 | A.F. Gue | Improvement in machine for cutting bevels on the tenons of spokes | tenoning machines |
