Patent Grant
D431788
| Number | Name | Date | Kind |
|---|---|---|---|
| D106568 | Johns | Oct 1937 | |
| D110754 | Miller | Aug 1938 | |
| D117371 | Johnson | Oct 1939 | |
| D157930 | Wilkin et al. | Mar 1950 | |
| D278689 | Jupe | May 1985 | |
| D412289 | Winwood | Jul 1999 | |
| 1973275 | Basson | Sep 1934 | |
| 2065075 | Johns | Dec 1936 | |
| 2227181 | Finch | Dec 1940 | |
| 2284977 | Johns | Jun 1942 | |
| 3150754 | Greene | Sep 1964 |
