Number | Name | Date | Kind |
---|---|---|---|
2652379 | Hedrick et al. | Sep 1953 | |
3748783 | Sokolies | Jul 1973 | |
3887506 | Hewitt | Jun 1975 | |
4074997 | Cohen | Feb 1978 | |
4125392 | Primo | Nov 1978 | |
4666497 | Tenzer | May 1987 | |
4792133 | Hawkins et al. | Dec 1988 | |
4819933 | Armone | Apr 1989 | |
4852870 | Hawkins et al. | Aug 1989 | |
4968024 | Hawkins | Nov 1990 | |
5151123 | Kviesitis | Sep 1992 | |
5254364 | Kviesitis | Oct 1993 | |
5264029 | Kviesitis | Nov 1993 | |
5286544 | Graham | Feb 1994 | |
5583165 | Kviesitis | Dec 1996 |
Number | Date | Country |
---|---|---|
9655998 | Aug 1996 | AUX |
52-21129 | Feb 1977 | JPX |
56-10584 | Feb 1981 | JPX |
57-102959 | Jun 1982 | JPX |
58-11729 | Jan 1983 | JPX |
61-44990 | Mar 1986 | JPX |
Entry |
---|
"Dakota Peat and Equipment: World Class Excellence", p1-12, 1989. |