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 |
---|---|---|---|
2267449 | Eby | Dec 1941 | A |
3350862 | Nutting | Nov 1967 | A |
4247163 | Lumpp et al. | Jan 1981 | A |
D365510 | Kiely et al. | Dec 1995 | S |
5872335 | Mullen, Jr. | Feb 1999 | A |
D409082 | Donahue | May 1999 | S |
D458592 | Gust et al. | Jun 2002 | S |
D470461 | Liang | Feb 2003 | S |
D554237 | Lewis et al. | Oct 2007 | S |
7394021 | Magno, Jr. | Jul 2008 | B2 |
D604242 | Kiely | Nov 2009 | S |
20090025977 | Anderson et al. | Jan 2009 | A1 |
20090242270 | Rumsey | Oct 2009 | A1 |