| Patents for R. D. Williams |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 191,111 | May 22, 1877 | E. Cather | Improvement in machines for compressing the ends of blind-slats | windowblind machines |
| RE8,586 | Feb. 18, 1879 | E.H. Clarkson, W.H. Kesler | Improvement in sash-cord guides | |
| 216,722 | Jun. 24, 1879 | E.H. Clarkson | Mortising-machine | mortising machines |
| 216,767 | Jun. 24, 1879 | F.S. Clarkson, F.B. Sloan | Improvement in sash-cord guides | door and window hardware |
| 226,617 | Apr. 20, 1880 | J.L. Koenig | Cabinet-Maker's Clamp | clamps |
| 227,407 | May 11, 1880 | H.I. Berterman | Cutter-head | cutterheads |
| 231,525 | Aug. 24, 1880 | W.H. Bateman, F.X. Hooper | Printer's galley | printer |
| 245,816 | Aug. 16, 1881 | G. Grill | Circular-saw guard | woodworking machine safety guards |
| 245,817 | Aug. 16, 1881 | G. Grill | Rosette-machine | wood ornamenting machines |
| 249,246 | Nov. 08, 1881 | G.W. Landon | Molding-machine | molders |
| 249,306 | Nov. 08, 1881 | F.S. Clarkson | Mortising-machine | mortising machines |
| 252,313 | Jan. 17, 1882 | G. Grill | Guard for variety molding-machines | woodworking machine safety guards |
| 260,974 | Jul. 11, 1882 | G. Grill | Guard for variety molders | woodworking machine safety guards |
| 261,090 | Jul. 11, 1882 | G. Grill | Circular-saw guard | woodworking machine safety guards |
