Number | Date | Country | Kind |
---|---|---|---|
3101921 | Jan 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2330106 | Bernstein et al. | Sep 1943 | |
3572731 | Stecher | Nov 1968 | |
4103913 | McDowell | Aug 1978 | |
4351534 | McDowell | Sep 1982 |
Number | Date | Country |
---|---|---|
1650026 | Aug 1970 | DEX |
1247166 | Sep 1971 | GBX |
Entry |
---|
Der "Nahmaschineneffekt" by Flachdichtungen-Reinz Co., Jan. 22, 1981. |