 
                 Patent Grant
 Patent Grant
                     D332571
 D332571
                    | Number | Name | Date | Kind | 
|---|---|---|---|
| D172663 | Despres | Jul 1954 | |
| D196150 | Weiss | Aug 1963 | |
| D209479 | Cutler | Dec 1967 | |
| D301013 | Creaden | May 1989 | |
| 2808189 | Williams | Oct 1957 | |
| 3163312 | Chaplin | Dec 1964 | |
| 3708084 | Bixler et al. | Jan 1973 |