The broken lines in the drawings depict unclaimed environmental subject matter.
The broken lines in the drawings depict unclaimed environmental subject matter.
Number | Name | Date | Kind |
---|---|---|---|
1840127 | Penney | Jan 1932 | A |
2612393 | Dahlgren | Sep 1952 | A |
3158379 | Nava et al. | Nov 1964 | A |
3891330 | Vasas | Jun 1975 | A |
4961599 | Delery et al. | Oct 1990 | A |
5155303 | Bensel et al. | Oct 1992 | A |
5301959 | Gould | Apr 1994 | A |
5389005 | Kodama | Feb 1995 | A |
6051792 | Damm et al. | Apr 2000 | A |
6248953 | Miller | Jun 2001 | B1 |
D461452 | Yeh | Aug 2002 | S |
D513409 | Suckle | Jan 2006 | S |
D543156 | Suckle | May 2007 | S |
D563872 | Lee et al. | Mar 2008 | S |
D574785 | Victor | Aug 2008 | S |
D593954 | Lee et al. | Jun 2009 | S |
Number | Date | Country |
---|---|---|
2273398 | Jun 1994 | GB |