The broken lines show environmental structure, and form no part of my invention.
The broken lines show environmental structure, and form no part of my invention.
Number | Name | Date | Kind |
---|---|---|---|
70076 | Dean | Oct 1867 | A |
1905176 | Kieckhefer | Apr 1933 | A |
2315180 | Arthur | Mar 1943 | A |
2315448 | Nagin et al. | Mar 1943 | A |
2899775 | Partin | Aug 1959 | A |
2912910 | Wilson et al. | Nov 1959 | A |
3438312 | Becker | Apr 1969 | A |
3597928 | Pilaar | Aug 1971 | A |
3764446 | Martin | Oct 1973 | A |
3802144 | Spica | Apr 1974 | A |
3903702 | Appleton | Sep 1975 | A |
3960375 | Bibi-Roubi | Jun 1976 | A |
4008548 | Leclerc | Feb 1977 | A |
4111585 | Mascaro | Sep 1978 | A |
4167599 | Nissinen | Sep 1979 | A |
D270820 | Schulze | Oct 1983 | S |
4584221 | Kung | Apr 1986 | A |
4621942 | Hill | Nov 1986 | A |
D288792 | Jefferies | Mar 1987 | S |
4671699 | Roach | Jun 1987 | A |
4798498 | Hallberg et al. | Jan 1989 | A |
5250340 | Bohnhoff | Oct 1993 | A |
5287649 | Prestele | Feb 1994 | A |
5406745 | Lin | Apr 1995 | A |
5564854 | Hedgewick | Oct 1996 | A |
5689912 | Prestele | Nov 1997 | A |
7210876 | Moralez et al. | May 2007 | B2 |
7563052 | Van Reijen | Jul 2009 | B2 |
7568980 | Janus et al. | Aug 2009 | B1 |