Patent Grant
D353572
| Number | Name | Date | Kind |
|---|---|---|---|
| D158058 | Engelke | Apr 1950 | |
| 637547 | Clark | Nov 1899 | |
| 794932 | Fullerton | Jul 1905 | |
| 1019437 | Draper | Mar 1912 | |
| 1695304 | Turner | Dec 1928 | |
| 1761883 | Froedtert | Jun 1930 | |
| 2039392 | Carroll | May 1936 | |
| 2177074 | Mattson | Oct 1939 | |
| 2775950 | Dearmond | Jan 1957 | |
| 3352276 | Zimmerman | Nov 1967 | |
| 3593684 | Cogliano | Jul 1971 | |
| 4021873 | Francois | May 1977 | |
| 4170188 | Jamison, Jr. | Oct 1979 | |
| 4280794 | Goodwin | Jul 1981 | |
| 4493657 | Zeitler | Jan 1985 | |
| 4533330 | Chun | Aug 1985 | |
| 5011441 | Foley et al. | Apr 1991 |
