Number | Name | Date | Kind |
---|---|---|---|
1454194 | Thomas | May 1923 | |
1842638 | Wigle | Jan 1932 | |
1891832 | Parks | Dec 1932 | |
2622916 | Libin et al. | Dec 1952 | |
2661979 | Stone | Dec 1953 | |
3037803 | Phillips | Jun 1962 | |
3193116 | Kenneday et al. | Jul 1965 | |
3351372 | Marks et al. | Nov 1967 | |
4652195 | McArthur | Mar 1987 | |
4681158 | Pennison | Jul 1987 | |
4921386 | McArthur | May 1990 | |
5049020 | McArthur | Sep 1991 | |
5062756 | McArthur et al. | Nov 1991 | |
5390568 | Pietras | Feb 1995 |
Number | Date | Country |
---|---|---|
1239634 | Apr 1985 | CAX |
0171144A | Feb 1986 | EPX |
1497666A | Oct 1967 | FRX |
PCTGB8000196 | Nov 1980 | GBX |
Entry |
---|
"Joy Web Wilson Hydra Hooks," Joy Petroleum Equip., 1982. |
"Web Wilson Return-A-Matic Hooks," Joy Petroleum Equip., 1975. |
"Model 14.5-50 Hydraulic Power Tong," Weatherford, 1993, pp. .sctn. 1, 1, 6; .gtorsim. 2, 4, 5, 6; .sctn. 3, 4; .sctn. 8, 29. |
Int'l Search Report for application PCT/GB97/02274, filed 26 Aug. 1997, counterpart of this case Ser. No. U.S. 08/706,983. |