Patent Grant
D359014
| Number | Name | Date | Kind |
|---|---|---|---|
| D216382 | Wolf | Dec 1969 | |
| D342702 | Camfield et al. | Dec 1993 | |
| D343810 | Sanborn | Feb 1994 | |
| D346138 | Camfield et al. | Apr 1994 | |
| 1223572 | Drew | Apr 1917 | |
| 1588900 | McGrath | Jun 1926 | |
| 2226712 | Edgar et al. | Dec 1940 | |
| 2233313 | Hazelroth | Feb 1941 | |
| 2543991 | Schuricht | Mar 1951 | |
| 3459441 | Hornsby | Aug 1969 | |
| 3701544 | Stankovich | Oct 1972 | |
| 3753578 | Rupp, II | Aug 1973 | |
| 3810659 | Marcil | May 1974 | |
| 3936076 | Probst | Feb 1976 | |
| 4245826 | Wirges | Jan 1981 | |
| 4342175 | Cernansky et al. | Aug 1982 | |
| 4493490 | Ohma | Jan 1985 | |
| 4742885 | Tidwell | May 1988 | |
| 4756547 | Trema | Jul 1988 | |
| 4881750 | Hartmann | Nov 1989 | |
| 4971344 | Turner | Nov 1990 | |
| 5044648 | Knapp | Sep 1991 |
