Patent Grant
D275487
| Number | Name | Date | Kind |
|---|---|---|---|
| D192770 | Andersson-Sason | May 1962 | |
| D233801 | Giacosa | Nov 1974 | |
| 2118209 | Linthwaite | May 1938 | |
| 2127744 | Linthwaite | Aug 1938 | |
| 3061250 | Conover | Oct 1962 | |
| 3884174 | Larsen | May 1975 | |
| 3934537 | Hall | Jan 1976 | |
| 4177747 | Pichl | Dec 1979 | |
| 4352666 | McGowan | Oct 1982 | |
| 4395238 | Payne | Jul 1983 |
| Number | Date | Country |
|---|---|---|
| 2080752 | Feb 1982 | GBX |
