Number | Name | Date | Kind |
---|---|---|---|
2215995 | Bellack | Sep 1940 | |
2715975 | Doane et al. | Aug 1955 | |
2889029 | Ridenour | Jun 1959 | |
2925167 | Lindberg | Feb 1960 | |
3691140 | Silver | Sep 1972 | |
3857731 | Merrill, Jr. et al. | Dec 1974 | |
4166152 | Baker et al. | Aug 1979 | |
4664416 | Steidinger | May 1987 | |
4786696 | Bohnel | Nov 1988 | |
4930812 | Howard | Jun 1990 | |
4938507 | Ashby et al. | Jul 1990 | |
4971364 | Templet | Nov 1990 | |
4980212 | Marquis et al. | Dec 1990 | |
4988567 | Delgado | Jan 1991 | |
4994322 | Delgado et al. | Feb 1991 | |
4995641 | Landry et al. | Feb 1991 | |
5029903 | Pennock | Jul 1991 | |
5045569 | Delgado | Sep 1991 | |
5087223 | Kaluza | Feb 1992 | |
5194299 | Fry | Mar 1993 | |
5299833 | Madole, Jr. | Apr 1994 | |
5316344 | Popat et al. | May 1994 | |
5324078 | Bane | Jun 1994 | |
5328409 | Marquardt | Jul 1994 | |
5382055 | Mertens et al. | Jan 1995 | |
5399403 | Instance | Mar 1995 | |
5618062 | Mertens et al. | Apr 1997 | |
5782494 | Crandall et al. | Jul 1998 |
Number | Date | Country |
---|---|---|
0 341 524 | Nov 1989 | EPX |
WO 9216447 | Oct 1992 | WOX |
9414614 | Jul 1994 | WOX |
Entry |
---|
United States Statutory Invention Registration, Greig, Registration No. H377, published Dec. 1, 1987. |