The broken lines in the drawings represent unclaimed environmental subject matter.
The broken lines in the drawings represent unclaimed environmental subject matter.
Number | Name | Date | Kind |
---|---|---|---|
3127993 | Phipps | Apr 1964 | A |
3800998 | Gask | Apr 1974 | A |
D256727 | Borg et al. | Sep 1980 | S |
D303763 | DeMarco | Oct 1989 | S |
D352236 | Althaus | Nov 1994 | S |
D364803 | Wada | Dec 1995 | S |
D381263 | O'Brien et al. | Jul 1997 | S |
D383386 | Loubach | Sep 1997 | S |
5842567 | Rowe et al. | Dec 1998 | A |
D416484 | Voden | Nov 1999 | S |
6012580 | Peters et al. | Jan 2000 | A |
D432410 | Schwartz | Oct 2000 | S |
7143893 | Kelly | Dec 2006 | B2 |