Number | Name | Date | Kind |
---|---|---|---|
1085371 | Watterson | Jan 1914 | |
1524740 | Lorenz | Feb 1925 | |
1534591 | Hodges | Apr 1925 | |
1544254 | May et al. | Jun 1925 | |
1550190 | Warner | Aug 1925 | |
1551951 | Haibloom et al. | Sep 1925 | |
1562778 | McGowan | Nov 1925 | |
4094510 | Drohomirecky | Jun 1978 | |
5139266 | Mullins et al. | Aug 1992 | |
5314188 | Mason et al. | May 1994 | |
5810358 | Manson | Sep 1998 | |
5813671 | Barratt | Sep 1998 | |
5826877 | Glassman | Oct 1998 |
Entry |
---|
Pp. 187-188, Official Gazette (patents) of Nov. 4, 1997. |