Patent Grant
D373856
| Number | Name | Date | Kind |
|---|---|---|---|
| D265515 | Levine | Jul 1982 | |
| D272565 | Levine | Feb 1984 | |
| D276378 | Levine | Nov 1984 | |
| D322491 | Huskey | Dec 1991 | |
| 1091789 | Andren | Mar 1914 | |
| 1217264 | Baxter | Feb 1917 | |
| 2467221 | Pastl | Apr 1949 | |
| 2648341 | Moll | Aug 1953 | |
| 2664093 | Carpenter | Dec 1953 | |
| 2784722 | Chamberlin et al. | Mar 1957 | |
| 2837098 | Sorboro | Jun 1958 | |
| 3393687 | Whitman | Jul 1968 | |
| 3472247 | Borsum et al. | Oct 1969 | |
| 3631869 | Espinosa | Jan 1972 | |
| 3718146 | Myers | Feb 1973 | |
| 3734107 | Thierman | May 1973 | |
| 3799177 | Bragg | Mar 1974 | |
| 3834404 | Chien | Sep 1974 | |
| 3939853 | Spanondis | Feb 1976 | |
| 5406965 | Levine | Apr 1995 |
| Number | Date | Country |
|---|---|---|
| 2122495 | Jan 1984 | GBX |
