Number | Name | Date | Kind |
---|---|---|---|
1314601 | McCaskey | Sep 1919 | |
1530381 | Leedom | Mar 1925 | |
2649889 | Dudley | Aug 1953 | |
3854314 | Martin | Dec 1974 | |
4134286 | Martin | Jan 1979 | |
4196609 | Sugino et al. | Apr 1980 | |
4232442 | Brunaud | Nov 1980 | |
4242893 | Diller | Jan 1981 | |
4472075 | Forni | Sep 1984 |
Entry |
---|
Airetool Tube Cleaners Tube Expanders Catalog CE-102, Dresser Industries, Inc., pp. 26, 37, 38, 40, 41, and 42. |