Number | Name | Date | Kind |
---|---|---|---|
1885457 | Lord et al. | Nov 1932 | A |
2179807 | Asmussen | Nov 1939 | A |
2661150 | Abbott, Jr. | Dec 1953 | A |
3096283 | Hein | Jul 1963 | A |
3244362 | Hein | Apr 1966 | A |
3244363 | Hein | Apr 1966 | A |
3297244 | Hein | Jan 1967 | A |
3456875 | Hein | Jul 1969 | A |
4077882 | Gangemi | Mar 1978 | A |
4608164 | Neu | Aug 1986 | A |
5733253 | Headley et al. | Mar 1998 | A |
5885239 | Headley et al. | Mar 1999 | A |
6074335 | Headley et al. | Jun 2000 | A |
Entry |
---|
International Search Report; PCT/US01/48272, Dec. 7, 2001. |