Number | Name | Date | Kind |
---|---|---|---|
1396889 | Sepulchre | Nov 1921 | |
2003140 | Dehn | May 1935 | |
2140582 | Hirschstein | Dec 1938 | |
2284737 | Hirshstein | Jun 1942 | |
2638177 | Heindlhofer | May 1953 | |
2879894 | Nelson | Mar 1959 | |
2935197 | Marple | May 1960 | |
2982414 | Hirschstein | May 1961 | |
2985305 | Nock et al. | May 1961 | |
3144408 | Pascual | Aug 1964 | |
3253711 | Young | May 1966 | |
3481469 | Walker | Dec 1969 | |
3847810 | Tulumello | Nov 1974 | |
3847814 | Adachi | Nov 1974 | |
4051024 | Lowe et al. | Sep 1977 | |
4113617 | Bereskin et al. | Sep 1978 | |
4145287 | Walker et al. | Mar 1979 | |
4235726 | Shimko | Nov 1980 | |
4268396 | Lowe | May 1981 | |
4385986 | Jaisinghani et al. | May 1983 | |
4425239 | Jacocks et al. | Jan 1984 | |
4940539 | Weber | Jul 1990 | |
4983284 | Batten | Jan 1991 | |
5091095 | Fries et al. | Feb 1992 |
Number | Date | Country |
---|---|---|
1097227 | Mar 1981 | CAX |
2928701 | Feb 1981 | DEX |
1584095 | Feb 1981 | GBX |
Entry |
---|
Zurn Hydromechanics Handbook . . . 691, pp. IT3-IT6 and IT17, date unknown. |