Number | Name | Date | Kind |
---|---|---|---|
1804819 | Spencer, Jr. et al. | May 1931 | |
1821426 | Dumm et al. | Sep 1931 | |
1951638 | Walker | Mar 1934 | |
2100684 | Carroll | Nov 1937 | |
2147585 | Trotter | Feb 1939 | |
2312656 | LeBus | Mar 1943 | |
2506799 | Livingston | May 1950 | |
2766010 | Hester | Oct 1956 | |
3175617 | North | Mar 1965 | |
3215204 | Sims | Nov 1965 | |
3351144 | Park | Nov 1967 | |
3516703 | Templeton | Jun 1970 | |
3902361 | Watson | Sep 1975 | |
4007797 | Jeter | Feb 1977 | |
4043392 | Bazda | Aug 1977 | |
4733732 | Lynch | Mar 1988 | |
4928767 | Jelsma | May 1990 | |
5086852 | VanBuskirk | Feb 1992 | |
5131467 | Osborne et al. | Jul 1992 | |
5311941 | Baugh | May 1994 | |
5484017 | Coon | Jan 1996 | |
5522461 | Carter et al. | Jun 1996 | |
5531271 | Carter | Jul 1996 | |
5595247 | Braddick | Jan 1997 | |
5620051 | Carter et al. | Apr 1997 | |
5678634 | Rehbock et al. | Oct 1997 | |
5787987 | Forsyth et al. | Aug 1998 | |
5806596 | Hardy et al. | Sep 1998 | |
5806614 | Nelson | Sep 1998 | |
5813465 | Terrell et al. | Sep 1998 | |
5829518 | Gano et al. | Nov 1998 | |
5832997 | White et al. | Nov 1998 | |
5833003 | Longbottom et al. | Nov 1998 | |
5842528 | Johnson et al. | Dec 1998 | |
5845707 | Longbottom | Dec 1998 | |
5845710 | Longbottom et al. | Dec 1998 | |
5845722 | Makohl et al. | Dec 1998 | |
5853049 | Keller | Dec 1998 |
Number | Date | Country |
---|---|---|
2294714 | GBX | |
2289298 | Jan 1994 | GBX |
2304760 | Jan 1995 | GBX |
93 401501 | Jan 1993 | WOX |
WO 9533910 | Jan 1995 | WOX |
Entry |
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A-1 Bowen Whipstocks, A1 Bit & Tool Co., 1988. |
Powertork Gear Couplings, System Components Inc., 1996. |