Number | Name | Date | Kind |
---|---|---|---|
3589219 | Parsons | Jun 1971 | |
3762827 | Ziegelmeyer | Oct 1973 | |
3767313 | Bohoroquez et al. | Oct 1973 | |
4111590 | Burkart et al. | Sep 1978 | |
4182588 | Burkart et al. | Jan 1980 | |
4273481 | Corley et al. | Jun 1981 | |
4435109 | Wilder | Mar 1984 |
Number | Date | Country |
---|---|---|
1147823 | Apr 1963 | DEX |
522924 | Feb 1978 | SUX |
Entry |
---|
Machinery's Handbook--16th Ed.--The Industrial Press, N.Y., pp. 1112-1113 and 1118-1123. |