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 |
---|---|---|---|
903419 | Skeer | Nov 1908 | A |
1153250 | Phillips | Sep 1915 | A |
1923019 | De Silva | Aug 1933 | A |
D142317 | Elfmont | Aug 1945 | S |
D167723 | Scott | Sep 1952 | S |
3037321 | Thomason | Jun 1962 | A |
3201127 | Hupp | Aug 1965 | A |
3447712 | Galasso et al. | Jun 1969 | A |
3504901 | Ditty | Apr 1970 | A |
D275593 | Carter | Sep 1984 | S |
4549755 | Kot et al. | Oct 1985 | A |
5015515 | Paulin | May 1991 | A |
D339763 | Nalbandian | Sep 1993 | S |
D384316 | Freeman, Jr. | Sep 1997 | S |
6089596 | Kurtz | Jul 2000 | A |
D468494 | Holloway | Jan 2003 | S |