The broken lines depict unclaimed environmental subject matter.
The broken lines depict unclaimed environmental subject matter.
| Number | Name | Date | Kind |
|---|---|---|---|
| 2314108 | Silverman | Mar 1943 | A |
| 2428147 | Dalrymple | Sep 1947 | A |
| 2692913 | Kamimori | Oct 1954 | A |
| 2808458 | Turpin et al. | Oct 1957 | A |
| 2830116 | Hardesty | Apr 1958 | A |
| 2915587 | Hardesty | Dec 1959 | A |
| 4114973 | Stiller | Sep 1978 | A |
| D271968 | Segan et al. | Dec 1983 | S |
| 5259807 | Crow | Nov 1993 | A |
| 5392528 | McDougall | Feb 1995 | A |
| 5859915 | Norris | Jan 1999 | A |
| 5956863 | Allen | Sep 1999 | A |
| 6739071 | Andis et al. | May 2004 | B2 |
| 20030177657 | Andis et al. | Sep 2003 | A1 |
| 20050072019 | Rago et al. | Apr 2005 | A1 |
| 20050078470 | Yang | Apr 2005 | A1 |
| 20050184137 | Dorsey et al. | Aug 2005 | A1 |