Number | Name | Date | Kind |
---|---|---|---|
1539068 | Brockett | May 1925 | |
2513271 | Bluemink et al. | Jul 1950 | |
2976436 | Anton | Mar 1961 | |
3341235 | Mattson et al. | Sep 1967 | |
3995650 | Divito | Dec 1976 | |
4136579 | Robinson et al. | Jan 1979 | |
4197764 | Auernhammer | Apr 1980 | |
4225104 | Larson | Sep 1980 | |
4359822 | Kolodziejczyk | Nov 1982 | |
4368556 | Wanner et al. | Jan 1983 | |
4522270 | Kishi | Jun 1985 | |
4643263 | Karden | Feb 1987 | |
4785540 | Arvidsson | Nov 1988 | |
4912349 | Chang | Mar 1990 | |
5065476 | Dohse | Nov 1991 |
Number | Date | Country |
---|---|---|
402843 | Sep 1924 | DE2 |
649733 | Jun 1985 | CHX |
Entry |
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UK Patent Application No. 2,124,536A, pub. Feb. 22, 1984; Inventor: Klaus Noss et al.; 3 sht. Dwgs & 4 pp. of spec. |
E.P.A. #0,032,966, pub. date: Aug. 5, 1981; Inventor: Peter P. Pioch. |