Patent Grant
D410825
| Number | Name | Date | Kind |
|---|---|---|---|
| D249322 | Diffenderfer | Sep 1978 | |
| D323273 | Davis | Jan 1992 | |
| 1186135 | Rowe | Jun 1916 | |
| 1807264 | Walker | May 1931 | |
| 1815500 | Doan | Jul 1931 | |
| 2043274 | Wegner | Jun 1936 | |
| 2212972 | Armstrong | Aug 1940 | |
| 2367480 | Beswick | Jan 1945 | |
| 2391624 | Heuer | Dec 1945 | |
| 2681582 | Valvano | Jun 1954 | |
| 2719445 | Giebler | Oct 1955 | |
| 3104569 | Davis et al. | Sep 1963 | |
| 3457812 | Wagner et al. | Jul 1969 | |
| 3587363 | Rogers | Jun 1971 | |
| 3718058 | Jones, Jr. | Feb 1973 | |
| 3735650 | Weng, Jr. | May 1973 | |
| 3769861 | Kisle et al. | Nov 1973 | |
| 4569257 | Hess | Feb 1986 | |
| 4603605 | Miller | Aug 1986 | |
| 5253556 | Kelly et al. | Oct 1993 | |
| 5315902 | Rabland et al. | May 1994 |
