Patent Grant
D322657
| Number | Name | Date | Kind |
|---|---|---|---|
| D96405 | Murphy | Jul 1935 | |
| D152809 | MacCauley | Feb 1949 | |
| D168641 | St. Clair et al. | Jan 1953 | |
| D186489 | Frye | Oct 1959 | |
| D236266 | Holben | Aug 1975 | |
| 3246872 | Seltsam | Apr 1966 | |
| 3422850 | Caldwell | Jan 1969 | |
| 3426798 | Chernak | Feb 1969 | |
| 3802462 | Troseh | Apr 1974 | |
| 3838707 | Wachowitz, Jr. | Oct 1974 | |
| 4014514 | Priese et al. | Mar 1977 | |
| 4316482 | Pearep | Feb 1982 | |
| 4421295 | Parkison | Dec 1983 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 921280 | Oct 1986 |
