Patent Grant
D368192
| Number | Name | Date | Kind |
|---|---|---|---|
| D101223 | Jiranek | Sep 1936 | |
| D113250 | Altorfer | Feb 1939 | |
| D161772 | MacDonald | Jan 1951 | |
| D193192 | Blevins | Jul 1962 | |
| D210131 | Rourke | Feb 1968 | |
| D223838 | Valic | Jun 1972 | |
| D242832 | Swensson | Dec 1976 | |
| D258184 | Nelson | Feb 1981 | |
| D260836 | Polo et al. | Sep 1981 | |
| D270217 | Daventry | Aug 1983 | |
| D320904 | Coleman et al. | Oct 1991 | |
| D341043 | Pesso | Nov 1993 | |
| 1967979 | Stern | Jul 1934 | |
| 2092441 | Ciprus | Sep 1937 | |
| 3093096 | Black et al. | Jun 1963 | |
| 3105726 | Jung | Oct 1963 | |
| 3583337 | Yokeley | Jun 1971 | |
| 3714906 | Finestone | Feb 1973 | |
| 3741852 | Keener | Jun 1973 | |
| 4066305 | Gazarek | Jan 1978 | |
| 4103981 | Donahue et al. | Aug 1978 | |
| 4163592 | Nelson | Aug 1979 | |
| 4665836 | Burr | May 1987 | |
| 4732088 | Koechlin et al. | Mar 1988 | |
| 5035470 | Miller | Jul 1991 | |
| 5050829 | Sykes | Sep 1991 | |
| 5163373 | Anderson et al. | Nov 1992 | |
| 5176435 | Pipkens | Jan 1993 |
