Patent Grant
D428473
| Number | Name | Date | Kind |
|---|---|---|---|
| D25458 | Mackin | May 1896 | |
| D31599 | Hills | Oct 1899 | |
| D45574 | Speakman | Apr 1914 | |
| D45787 | Bockelman | May 1914 | |
| D62740 | Muend | Jul 1923 | |
| D62864 | Benjamin | Aug 1923 | |
| D67520 | Harper | Jun 1925 | |
| D72505 | Van Eweyk | Apr 1927 | |
| D77022 | Mueller | Nov 1928 | |
| D77024 | Mueller | Nov 1928 | |
| D78619 | Frankenberger | May 1929 | |
| D80439 | Fraser | Feb 1930 | |
| D94760 | Hitchcock | Mar 1935 | |
| D149386 | Smolensky | Apr 1948 | |
| D163545 | Smolensky | Jun 1951 | |
| D182867 | Young | May 1958 | |
| D242454 | Jones | Nov 1976 | |
| D242455 | Jones | Nov 1976 | |
| D250727 | Jones | Jan 1979 | |
| D258519 | Thevenot | Mar 1981 | |
| D258676 | Colani | Mar 1981 | |
| D286561 | Yost | Nov 1986 | |
| D353442 | Formgren | Dec 1994 |
