Patent Grant
D431361
| Number | Name | Date | Kind |
|---|---|---|---|
| 216227 | Sedgwick | Jun 1879 | |
| D315432 | Smith | Mar 1991 | |
| 338892 | Walker | Mar 1886 | |
| 344340 | Barrow | Jun 1886 | |
| 356301 | Belknap | Jan 1887 | |
| D406423 | Kellogg et al. | Mar 1999 | |
| 1135892 | Grosenbeck | Apr 1915 | |
| 1155475 | Fay | Oct 1915 | |
| 1180574 | Despot | Apr 1916 | |
| 1538260 | Street et al. | May 1925 | |
| 1581888 | Thomas | Apr 1926 | |
| 1691904 | Gamble | Nov 1928 | |
| 1979978 | Martin | Nov 1934 | |
| 1994235 | Solomon | Mar 1935 | |
| 1999424 | Seitz | Apr 1935 | |
| 2182932 | Sanford | Dec 1939 | |
| 2269574 | Benenfeld | Jan 1942 | |
| 2298786 | Dubofsky et al. | Oct 1942 | |
| 2575893 | Seaman | Nov 1951 | |
| 2625973 | Weldon et al. | Jan 1953 | |
| 2710084 | Braverman | Jun 1955 | |
| 2724537 | Fehr | Nov 1955 | |
| 2746582 | Cart | May 1956 | |
| 2778560 | Pfeiffer | Jan 1957 | |
| 3114453 | Rosenthal | Dec 1963 | |
| 3233644 | Bono | Feb 1966 | |
| 3373925 | Gatward | Mar 1968 | |
| 3675667 | Miller | Jul 1972 | |
| 3696850 | Rosenblum | Oct 1972 | |
| 3960161 | Norman | Jun 1976 | |
| 3990463 | Norman | Nov 1976 | |
| 4055239 | Weiner | Oct 1977 | |
| 4299365 | Battle | Nov 1981 | |
| 4697357 | Van Vliet | Oct 1987 | |
| 4784248 | Workman | Nov 1988 | |
| 4813520 | Lin | Mar 1989 | |
| 4815784 | Zheng | Mar 1989 | |
| 4825892 | Norman | May 1989 | |
| 4858634 | McLeese | Aug 1989 | |
| 4862602 | Krill | Sep 1989 | |
| 4895230 | King | Jan 1990 | |
| 4951333 | Kaiser et al. | Aug 1990 | |
| 4995487 | Plath | Feb 1991 | |
| 5009189 | Neff | Apr 1991 | |
| 5038812 | Norman | Aug 1991 | |
| 5072828 | Irvine | Dec 1991 | |
| 5090588 | Van Romer et al. | Feb 1992 | |
| 5116138 | Macsenti et al. | May 1992 | |
| 5176315 | Homel | Jan 1993 | |
| 5213147 | Zheng | May 1993 | |
| 5358440 | Zheng | Oct 1994 | |
| 5664886 | Hutchinson | Sep 1997 | |
| 5800067 | Easter | Sep 1998 | |
| 5964533 | Ziglar | Oct 1999 | |
| 6006934 | Skrysak | Dec 1999 |
