Patent Grant
D416433
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|---|---|---|---|
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| D26934 | Mullins | Apr 1897 | |
| D26935 | Mullins | Apr 1897 | |
| D115161 | Stopa | Jun 1939 | |
| D120991 | Koch | Jun 1940 | |
| D165610 | Sandberg | Jan 1952 | |
| D200724 | Grogel | Mar 1965 | |
| D207679 | Kennedy | May 1967 | |
| D211272 | Stageberg | Jun 1968 | |
| D234488 | Wiebe | Mar 1975 | |
| D255309 | Colato et al. | Jun 1980 | |
| D267221 | Williams | Dec 1982 | |
| D269249 | Cillario | Jun 1983 | |
| D269323 | Cillario | Jun 1983 | |
| D280605 | Karlik | Sep 1985 | |
| D287809 | Alexander | Jan 1987 | |
| D292887 | Schouten | Nov 1987 | |
| D298199 | Finsilver et al. | Oct 1988 | |
| D301819 | Watson et al. | Jun 1989 | |
| D306974 | Tholstrup | Apr 1990 | |
| 313092 | Mayes | Mar 1885 | |
| D321809 | Zobrist | Nov 1991 | |
| D323616 | Mueller | Feb 1992 | |
| D344658 | Arkoosh, Jr. et al. | Mar 1994 | |
| D350669 | Conti | Sep 1994 | |
| D373284 | Hirst | Sep 1996 | |
| D373954 | Wolff | Sep 1996 | |
| D375652 | Hayes | Nov 1996 | |
| D382795 | Abayhan | Aug 1997 | |
| 642507 | Topping | Jan 1900 | |
| 1683603 | Canfield | Sep 1928 | |
| 2289037 | Poglein | Jul 1942 | |
| 2673003 | Stewart | Mar 1954 | |
| 2704974 | Setman | Mar 1955 | |
| 2722173 | Cunningham | Nov 1955 | |
| 3326408 | Ringlen | Jun 1967 | |
| 3659585 | Bay | May 1972 | |
| 3958504 | Levin | May 1976 | |
| 4216763 | Miklas | Aug 1980 | |
| 4616762 | Alexander | Oct 1986 | |
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| 4974738 | Kidd et al. | Dec 1990 | |
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| 5628427 | Hayes | May 1997 | |
| 5666875 | Wener | Sep 1997 | |
| 5878656 | Fletcher et al. | Mar 1999 |
