Number | Name | Date | Kind |
---|---|---|---|
2923643 | Rodwell | Feb 1960 | |
3455709 | Sears, Jr. | Jul 1969 | |
3620784 | Schutt | Nov 1971 | |
3721574 | Schnieder et al. | Mar 1973 | |
4026710 | Kennedy | May 1977 | |
4097287 | Ito et al. | Jun 1978 | |
4098720 | Hwa | Jul 1978 | |
4381334 | Balk et al. | Apr 1983 | |
4740389 | Barton et al. | Apr 1988 | |
4888056 | Van Der Kolk et al. | Dec 1989 | |
4935058 | Helmstetter | Jun 1990 | |
5131948 | Higashiyama et al. | Jul 1992 | |
5393567 | Wekenmann et al. | Feb 1995 | |
5413628 | Savin | May 1995 | |
5545253 | Edelmann et al. | Aug 1996 | |
5580907 | Savin | Dec 1996 |
Number | Date | Country |
---|---|---|
51-102025 | Sep 1976 | JPX |
52-004534 | Jan 1977 | JPX |
59-051951 | Mar 1984 | JPX |
62-198457 | Sep 1987 | JPX |
62-227968 | Oct 1987 | JPX |
298623 | Mar 1971 | SUX |
Entry |
---|
WPIDS Abstract No. 79-54866B, abstract of German Patent Specification No. 2,901,395, Jul. 1979. |
WPIDS Abstract No. 82-06819E, abstract of Japanese Patent Specification No. 56-161477, Dec. 1981. |