Patent Grant
D362468
| Number | Name | Date | Kind |
|---|---|---|---|
| D185805 | Clark | Aug 1959 | |
| D309759 | Mak | Aug 1990 | |
| 2118748 | Warham | May 1938 | |
| 2398513 | Bradley | Apr 1946 | |
| 2560582 | Limber | Jul 1951 | |
| 2659177 | Kopf | Nov 1953 | |
| 2842894 | Walden | Jul 1958 | |
| 3100947 | Hellman | Aug 1963 | |
| 3123936 | Feltman | Mar 1964 | |
| 3228136 | Rouse | Jan 1966 | |
| 3388498 | Greene | Jun 1968 | |
| 3834066 | Vargas | Sep 1974 | |
| 4045049 | Schultz | Aug 1977 | |
| 4606731 | Span | Aug 1986 | |
| 4764141 | D'Andrade | Aug 1988 | |
| 4775348 | Collins | Oct 1988 | |
| 4957464 | Perez | Sep 1990 | |
| 5224893 | Routzong et al. | Jul 1993 | |
| 5238437 | Vowles et al. | Aug 1993 |
| Number | Date | Country |
|---|---|---|
| 1509848 | Nov 1976 | GBX |
