All Patents of Type: stoneworking tools |
Patents 1 -
9
of 9
|
Number | Date | Patentee | Title | Type |
NS-46 | Apr. 02, 1859 | F. McKay | Stone drill and dresser | stoneworking tools |
125,403 | Apr. 09, 1872 | J.E. Mitchell | Improvement in tools for turning stone | mill stone dressers |
155,165 | Sep. 22, 1874 | S.G. Morrison | Improvement in saws for sawing stone | stoneworking tools |
163,879 | Jun. 01, 1875 | S.G. Morrison | Improvement in saws for sawing stone | stoneworking tools |
359,019 | Mar. 08, 1887 | J.C. Hyndman | Rock Drill | quarrying tools |
467,937 | Feb. 02, 1892 | E.E. Winkley, E.H. Kavanagh | Stone Working Machine | stoneworking tools |
512,605 | Jan. 09, 1894 | J.M. Crouch | Quarrying Tool | quarrying tools |
513,196 | Jan. 23, 1894 | J. O'Donnell | Stone-cutter's bush-hammer | stoneworking tools |
533,352 | Jan. 29, 1895 | J.E. Ernest | Slate Cutter and Trimmer | slaters tools |