Patent Grant
D397808
| Number | Name | Date | Kind |
|---|---|---|---|
| D25334 | Schwechler | Mar 1896 | |
| D301063 | Risi et al. | May 1989 | |
| D313280 | Rodenburgh et al. | Dec 1990 | |
| D315026 | Castonguay et al. | Feb 1991 | |
| 1677829 | Jack | Jul 1928 | |
| 1746169 | Swanson | Feb 1930 | |
| 2196552 | Garloff | Apr 1940 | |
| 2471226 | Maccario | May 1949 | |
| 2484062 | Abbott | Oct 1949 | |
| 2550945 | Steinhage et al. | May 1951 | |
| 3025641 | Ahtiainen | Mar 1962 | |
| 3354592 | Curci | Nov 1967 | |
| 4281473 | Emalfarb et al. | Aug 1981 | |
| 4314431 | Rabassa | Feb 1982 | |
| 4644685 | Tisbo et al. | Feb 1987 | |
| 4802320 | Forsberg | Feb 1989 | |
| 4971475 | Castonguay et al. | Nov 1990 | |
| 5092076 | Terreta | Mar 1992 | |
| 5134817 | Richardt | Aug 1992 | |
| 5139721 | Castonguay et al. | Aug 1992 | |
| 5261760 | Castonguay et al. | Nov 1993 | |
| 5442877 | Lindhall | Aug 1995 |
