Number | Date | Country | Kind |
---|---|---|---|
199 51 644 | Oct 1999 | DE |
Number | Name | Date | Kind |
---|---|---|---|
1953510 | Schultz et al. | Apr 1934 | A |
2618136 | Wellauer | Nov 1952 | A |
2872794 | Slomer | Feb 1959 | A |
2909258 | Lacroix, Jr. | Oct 1959 | A |
3488980 | Burrough | Jan 1970 | A |
3600877 | McCrary et al. | Aug 1971 | A |
5129497 | Kelley | Jul 1992 | A |
5749208 | Wuebbels et al. | May 1998 | A |
Number | Date | Country |
---|---|---|
0 057 807 | Aug 1982 | EP |
1 096 163 | May 2001 | EP |
1 191 235 | Oct 1959 | FR |
2 488 775 | Feb 1982 | FR |
Entry |
---|
Database WPI, Section PQ, Week 199311 Derwent Publications Ltd., London, GB; Class Q63, AN 1993-092446 ZP002161013 & SU A 726 864 A (Refrig Equip Des Cons Techn Inst) Apr. 15, 1992. |