Patent Grant
D375250
| Number | Name | Date | Kind |
|---|---|---|---|
| 1742488 | Schneider et al. | Jan 1930 | |
| 1779951 | Schneider | Oct 1930 | |
| 1793697 | Johnston | Feb 1931 | |
| 1799765 | Schneider et al. | Apr 1931 | |
| 1801549 | Frederickson | Apr 1931 | |
| 1808542 | Ginsburg | Jun 1931 | |
| 1829512 | Frederickson | Aug 1930 | |
| 1842216 | Thomas | Jan 1932 | |
| 1857197 | Knoderer | May 1932 | |
| 2209274 | Jaberg | Jul 1940 | |
| 2245422 | Whittaker | Jun 1941 | |
| 2249593 | Badeau | Jul 1941 | |
| 2268060 | Rhode | Dec 1941 | |
| 2424756 | Klumpp | Jul 1947 | |
| 2563604 | Hultgren | Aug 1951 | |
| 3056852 | Sachs | Oct 1962 | |
| 3133147 | Auld, Jr. et al. | May 1964 | |
| 3627904 | Milne | Dec 1971 | |
| 3643290 | Milne | Feb 1972 | |
| 3836698 | Bawa | Sep 1974 | |
| 3858151 | Paskert | Dec 1974 | |
| 3889909 | Koscik | Jul 1975 | |
| 4233469 | Steppe | Nov 1980 | |
| 4289923 | Ebert | Sep 1981 | |
| 4448376 | Behrendt | May 1984 | |
| 4535196 | Milne | Aug 1985 | |
| 4575133 | Nattel | Mar 1986 | |
| 4626620 | Plyer | Dec 1986 | |
| 4683350 | Ducret | Jul 1987 | |
| 4711472 | Schnell | Dec 1987 | |
| 4752652 | Danti et al. | Jun 1988 | |
| 4912285 | Falciglia | Mar 1990 |
| Entry |
|---|
| New Equipment Digest, May 1991, p. 59, bushing circled at right of page. |
| New Equipment Digest, Feb. 1992, p. 25, bushing circled at bottom of page. |
