Patent Grant
D430943
| Number | Name | Date | Kind |
|---|---|---|---|
| D37213 | Heisey | Nov 1904 | |
| D166428 | Todd | Apr 1952 | |
| D185423 | Duncan | Jun 1959 | |
| D210517 | Baratte | Mar 1968 | |
| D236225 | Vickers | Aug 1975 | |
| D238502 | Thrush | Jan 1976 | |
| D246220 | Benes | Nov 1977 | |
| D249770 | Benes | Oct 1978 | |
| D266595 | Sarpaneva | Oct 1982 | |
| D336537 | Schonbek | Jun 1993 | |
| D411892 | Robinson | Jul 1999 | |
| 3374473 | Von Suskil | Mar 1968 | |
| 3547569 | Fenton et al. | Dec 1970 | |
| 3855464 | Angelo | Dec 1974 | |
| 3932113 | Thrush | Jan 1976 | |
| 5651669 | Henry | Jul 1997 |
