Patent Grant
D352770
| Number | Name | Date | Kind |
|---|---|---|---|
| D213317 | Nelson | Feb 1969 | |
| D234402 | Ogurchak | Feb 1975 | |
| D236724 | Scheffler, Jr. et al. | Sep 1975 | |
| D240427 | Ikonen et al. | Jul 1976 | |
| D241756 | Gray | Oct 1976 | |
| D273804 | Fueloep | May 1984 | |
| D290259 | Van der Wyk | Jun 1987 | |
| D293811 | Bennington et al. | Jan 1988 | |
| D305147 | Samford | Dec 1989 | |
| 2598961 | Andrus | Jun 1952 | |
| 2787138 | Boyle | Apr 1957 | |
| 3169098 | Leavitt | Feb 1965 | |
| 3400732 | Larrabee | Sep 1968 | |
| 3864938 | Hayes, Jr. | Feb 1975 | |
| 4256140 | Swaroop et al. | Mar 1981 | |
| 4284243 | Shaner | Aug 1981 | |
| 4422471 | Faccini | Dec 1983 | |
| 4512368 | Kaminaka et al. | Apr 1985 | |
| 4688599 | Zeman | Aug 1987 |
