Number | Name | Date | Kind |
---|---|---|---|
3437484 | Nadeau | Apr 1969 | |
3535112 | Dolce et al. | Oct 1970 | |
3539340 | Dolce et al. | Nov 1970 | |
3549360 | O'Neill et al. | Dec 1970 | |
3754924 | De Geest et al. | Aug 1973 | |
3758327 | York et al. | Sep 1973 | |
3850642 | Bailey, Jr. et al. | Nov 1974 | |
3854942 | Akman | Dec 1974 | |
4071362 | Takenaka et al. | Jan 1978 | |
4232101 | Fukuda et al. | Nov 1980 | |
4259422 | Davidson et al. | Mar 1981 |
Number | Date | Country |
---|---|---|
1237386 | Jun 1971 | GBX |
Entry |
---|
Japan Patent Center, Inc., Jun. 29, 1970, p. 118, Abstract of Japanese Pub. No. 19039/70. |