Number | Name | Date | Kind |
---|---|---|---|
2192233 | Mack | Mar 1940 | |
2552188 | Krause et al. | May 1951 | |
2834585 | O'Harenko | May 1958 | |
3607478 | Henninges et al. | Sep 1971 | |
3788611 | Barbini | Jan 1974 | |
3985307 | Ebbert et al. | Oct 1976 | |
4061315 | Eitzen et al. | Dec 1977 | |
4118801 | Kraft et al. | Oct 1978 | |
4125335 | Blume et al. | Nov 1978 | |
4305668 | Bilbrey | Dec 1981 | |
4702610 | Reynolds, Jr. | Oct 1987 | |
4893938 | Anderson | Jan 1990 | |
5423603 | Reynolds et al. | Jun 1995 | |
5639160 | Kishimoto | Jun 1997 |
Number | Date | Country |
---|---|---|
9110503 | Jul 1991 | WOX |
Entry |
---|
Elmeco brochure, date unknown. |