Patent Grant
D327643
| Number | Name | Date | Kind |
|---|---|---|---|
| D5148 | Haven | Aug 1871 | |
| D11166 | Adgate | Apr 1879 | |
| D26112 | Denton | Sep 1896 | |
| D28323 | Stilwell | Mar 1898 | |
| D32291 | Clark | Feb 1900 | |
| 47007 | Ford | Mar 1865 | |
| 318533 | Berkey | May 1885 | |
| 378649 | Berkey et al. | Feb 1888 | |
| 378740 | Tracy | Feb 1888 | |
| 380040 | Sabo | May 1908 | |
| 606462 | Kennedy-McGregor | Jun 1898 | |
| 665705 | Summerer | Jan 1901 | |
| 836199 | Morris | Nov 1906 | |
| 1223877 | Hilfrank | Apr 1917 | |
| 1470858 | Maxwell | Oct 1923 | |
| 1753183 | Johnson | Apr 1930 | |
| 1927271 | Hoelting et al. | Sep 1933 | |
| 2169882 | Noelting et al. | Aug 1939 | |
| 2173950 | Parkhill | Sep 1939 | |
| 2179912 | Woodruff | Nov 1939 | |
| 2272848 | Miller | Feb 1942 | |
| 2294807 | Schultz, Jr. | Sep 1942 | |
| 2520375 | Roe | Aug 1950 | |
| 2659100 | Cramer | Nov 1953 | |
| 2704682 | Davis | Mar 1952 | |
| 3018506 | Haydick | Jan 1962 | |
| 3128495 | Tooth | Apr 1964 | |
| 3197802 | Fontana et al. | Aug 1965 | |
| 3452386 | Carlson | Jul 1969 | |
| 3487495 | Schultz, Jr. | Jan 1970 | |
| 3942220 | Wood et al. | Mar 1976 | |
| 4077086 | Butler | Mar 1978 | |
| 4282629 | Demrick | Aug 1981 | |
| 4649526 | Herold | Nov 1927 | |
| 4788741 | Hilborn | Dec 1988 | |
| 4805260 | Tooth | Feb 1989 |
| Number | Date | Country |
|---|---|---|
| 2107961 | Aug 1972 | DEX |
| 1291334 | Apr 1962 | FRX |
| Entry |
|---|
| Outwater Plastics Catalog 1981-A, p. 44, 1986. |
