Patent Grant
D278440
| Number | Name | Date | Kind |
|---|---|---|---|
| D267492 | Schieber | Jan 1983 | |
| 1696032 | Glover | Dec 1928 | |
| 1747418 | Bishop et al. | Feb 1930 | |
| 1829393 | Carter | Oct 1931 | |
| 2035283 | Schroeder | Mar 1936 | |
| 2404053 | Glover, Jr. | Jul 1946 | |
| 2543917 | Lloyd | Mar 1951 | |
| 2821875 | Buck | Feb 1958 | |
| 2896677 | Payzant | Jul 1959 | |
| 3013473 | Straus | Dec 1961 | |
| 3099298 | Bellini | Jul 1963 | |
| 3242773 | Van Praag | Mar 1966 | |
| 3550481 | Jensen | Dec 1970 | |
| 3724963 | Stadtmiller | Apr 1973 | |
| 3783915 | Bryden | Jan 1974 | |
| 3923086 | Spohn, Jr. | Dec 1975 | |
| 4044805 | Gronhalz | Aug 1977 | |
| 4069849 | O'Grady | Jan 1978 | |
| 4132254 | Shockovsky | Jan 1979 | |
| 4197887 | Groves | Apr 1980 | |
| 4281694 | Gorman | Aug 1981 | |
| 4284373 | Wolff | Aug 1981 | |
| 4320678 | Volk | Mar 1982 | |
| 4397342 | North | Aug 1983 |
| Entry |
|---|
| Shopsmith Router Arm Owners Manual, Copyright 1979. |
| 1982 Sears Catalog, p. 736. |
| Schieber 280 Router Mate literature. |
