| Number | Name | Date | Kind |
|---|---|---|---|
| D. 91319 | Falk | Jan 1934 | |
| 2058217 | Dixon | Oct 1936 | |
| 2191714 | Gustin | Feb 1940 | |
| 2192167 | Bagley et al. | Mar 1940 | |
| 2451552 | Hayward | Oct 1948 | |
| 2498400 | Du Lude | Feb 1950 | |
| 2594966 | McKinney | Apr 1952 | |
| 2598315 | Sweet | May 1952 | |
| 2822967 | Spitz | Feb 1958 | |
| 3651999 | Fiocca | Mar 1972 | |
| 3945500 | Meckstroth | Mar 1976 | |
| 4366909 | Fahmi | Jan 1983 | |
| 6006964 | White | Dec 1999 |
| Entry |
|---|
| Conover Plastics, Inc. brochure (undated 2 pages). |