The broken lines in the drawings represent unclaimed environmental subject matter and form no part of the claims.
The broken lines in the drawings represent unclaimed environmental subject matter and form no part of the claims.
| Number | Name | Date | Kind |
|---|---|---|---|
| 4483334 | Murray | Nov 1984 | A |
| D286971 | Lund | Dec 1986 | S |
| 4946122 | Ramsey | Aug 1990 | A |
| D314503 | Gilman | Feb 1991 | S |
| D377311 | Stiegler | Jan 1997 | S |
| 6260810 | Choi | Jul 2001 | B1 |
| 6565564 | Hoffman | May 2003 | B2 |
| 7191988 | Kim | Mar 2007 | B2 |
| D591587 | Mason | May 2009 | S |
| D690190 | McGrath | Sep 2013 | S |
| 8727289 | Abbott | May 2014 | B2 |
| 8882058 | Marshall | Nov 2014 | B2 |
| 8985531 | Wood | Mar 2015 | B2 |
| D736073 | Eriksson | Aug 2015 | S |
| D739721 | Gretz | Sep 2015 | S |
| D747182 | Brickzin | Jan 2016 | S |