Patents for Alexander F. Roberts |
Patents 46 -
60
of 62
|
Number | Date | Patentee | Title | Type |
102,286 | Apr. 26, 1870 | C.V. Littlepage | Improvement in saws | saw teeth |
102,597 | May 03, 1870 | H.A. Schneekloth | Foot-powered hoist | hoists, winches, come-alongs |
RE4,419 | Jun. 13, 1871 | L.P. Bradley | Improvement in tape-measures | tape measures |
142,420 | Sep. 02, 1873 | J. Travers | Improvement in machines for making window-sash | window making machines |
153,985 | Aug. 11, 1874 | J.H. Sinkinson | Spool lathe | spool or bobbin machines |
154,880 | Sep. 08, 1874 | A.F. Marshall | Improvement in wood-bending machines | wood bending machines |
160,969 | Mar. 16, 1875 | O.W. Taft | Handle For Cutlery | combination cork extractors |
166,010 | Jul. 27, 1875 | P. Johnson, N.H. Johnson | Improvement in miter-boxes | miter boxes |
168,649 | Oct. 11, 1875 | W. Latus | Improvement in wood-splitters | firewood machines |
169,475 | Nov. 02, 1875 | L.C. Pratt | Improvement in scroll-sawing machines | scrollsaws |
174,228 | Feb. 29, 1876 | E.W. Gillman | Improvement in machines for finishing barrels | barrel making machines |
175,101 | Mar. 21, 1876 | P. Hughes | Improvement in jig-saws | scrollsaws |
175,389 | Mar. 28, 1876 | E.B. Stimpson | Improvement in leather-skiving machines | leatherworker |
179,932 | Jul. 18, 1876 | A. Luckhaput | Improvement in machines for dressing staves | barrel making machines |
180,672 | Aug. 01, 1876 | E.B. Stimpson | Improvement in apparatus for cutting and ornamenting shoe-uppers | leatherworker |