Number | Date | Country | Kind |
---|---|---|---|
3726677 | Aug 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3140378 | Benninghoff | Jul 1964 | |
3362058 | Morris et al. | Jan 1968 | |
3949186 | Nakayama et al. | Apr 1976 | |
4102027 | Greever et al. | Jul 1978 | |
4107832 | Soekel et al. | Aug 1978 | |
4187408 | Heile | Feb 1980 | |
4714508 | Chivens et al. | Dec 1987 |
Number | Date | Country |
---|---|---|
2147079 | Mar 1972 | DEX |
0048040 | May 1978 | JPX |
Entry |
---|
Patent Abstracts of Japan, vol. 3, No. 118, Oct. 4, 1979, for Appl. No. 53-6966, 1-25-1978. |