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 |
|---|---|---|---|
| 2319465 | McCombs | May 1943 | A |
| 2716363 | Wasylow | Aug 1955 | A |
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| D324801 | Caskey et al. | Mar 1992 | S |
| D327830 | Fisher | Jul 1992 | S |
| 5301471 | Fisher et al. | Apr 1994 | A |
| 5423666 | MacMillan | Jun 1995 | A |
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| 6592305 | Boisvert | Jul 2003 | B1 |
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| D567830 | Neumann et al. | Apr 2008 | S |
| 20060219852 | Kawai et al. | Oct 2006 | A1 |
| 20070071566 | Young et al. | Mar 2007 | A1 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29225013 | Mar 2005 | US |
| Child | 29293856 | US |