All Patents in class 451 |
Patents 16 -
30
of 3612
|
Number | Date | Patentee | Title | Type |
6,253 | Apr. 03, 1849 | E. Webber, C. Hartshorn | Machinery for turning lasts and other irregular figures from reverse patterns | pattern lathes |
6,949 | Dec. 11, 1849 | J. Vaughan, Jr. | Machine for Grinding or Polishing Tools | polishing and buffing machinery |
7,388 | May 21, 1850 | S. Stevens | Machine for Grinding Spiral Knives | tool grinders |
8,681 | Jan. 27, 1852 | A.H. Copeland | Improvement in Sand Paper Holders | |
8,929 | May 04, 1852 | W. Southwell | Machinery for grinding or polishing saw-blades, &c. | tool making |
8,990 | Jun. 01, 1852 | B.J. Tayman | Machine for turning and polishing | specialty woodworking machines |
9,976 | Aug. 30, 1853 | S. Darling | Apparatus for Grinding & Shaping Metals | surface grinders |
10,017 | Sep. 13, 1853 | J.M. Smith | Improved cutter-head for molding machines | cutters |
10,497 | Feb. 07, 1854 | T. Blanchard | Machine for polishing plow-handles and other articles | belt sanders |
11,107 | Jun. 20, 1854 | E. Allen | Improved veneer-polisher | belt sanders |
12,088 | Dec. 19, 1854 | C.P. Bailey | Feeding apparatus to machine for cutting irregular forms | pattern lathes |
12,423 | Feb. 20, 1855 | W. Stephens | Slide Rest for Lathes | metal lathes |
12,502 | Mar. 13, 1855 | J.M. Bottum | Polishing Apparatus for Watchmakers' Lathes | watchmakers lathes |
12,820 | May 08, 1855 | B. Hardinge | Facing Bed for Grinding Artificial Granite, Etc. | stone dressing machines |
13,236 | Jul. 10, 1855 | A. Stoeckel | Machine for cutting legs for pianos, tables, &c. | wood lathes |