Patent Grant
D370974
| Number | Name | Date | Kind |
|---|---|---|---|
| 2198666 | Gruskin | Apr 1940 | |
| 2270804 | Dutky | Jan 1942 | |
| 2491978 | Helfman et al. | Dec 1949 | |
| 3122280 | Goda | Feb 1964 | |
| 3270548 | Marbach | Sep 1966 | |
| 3613952 | Gilmost | Oct 1971 | |
| 3749284 | Kloehn | Jul 1973 | |
| 3799406 | St. John et al. | Mar 1974 | |
| 3815785 | Gilmont | Jun 1974 | |
| 3833030 | Waldbauer, Jr. et al. | Sep 1974 | |
| 3844318 | Raia et al. | Oct 1974 | |
| 3907009 | Dobbins | Sep 1975 | |
| 4357971 | Friedman | Nov 1982 | |
| 4470317 | Sabloewski et al. | Sep 1984 | |
| 4518387 | Murphy et al. | May 1985 | |
| 4527437 | Wells | Jul 1985 | |
| 4567780 | Oppenlander et al. | Feb 1986 | |
| 4627835 | Fenton, Jr. | Dec 1986 | |
| 4671123 | Magnussen, Jr. et al. | Jun 1987 | |
| 4841225 | Meyer | Jun 1989 | |
| 4882536 | Meyer | Nov 1989 | |
| 4931041 | Faeser | Jun 1990 | |
| 4959056 | Dombrowski et al. | Sep 1990 | |
| 4978335 | Arthur, III | Dec 1990 | |
| 4988337 | Ito | Jan 1991 | |
| 4998570 | Strong | Mar 1991 | |
| 5385559 | Mannix | Jan 1995 |
| Number | Date | Country |
|---|---|---|
| 0882743 | Jun 1943 | FRX |
| 1054310 | Feb 1954 | FRX |
| 1179888 | Feb 1970 | FRX |
| 3340511 | Feb 1985 | DEX |
| Entry |
|---|
| Fisher Scientific Catalog 91-92 p. 544 at bottom. |
| Daigger Catalog 1994 p. 158 top left. |
