The broken lines shown in
The dash dot line represents a border that does not form part of the claimed design.
The broken lines shown in
The dash dot line represents a border that does not form part of the claimed design.
| Number | Name | Date | Kind |
|---|---|---|---|
| 2571819 | Boel | Oct 1951 | A |
| 3675359 | Ohno | Jul 1972 | A |
| 4631855 | Ader | Dec 1986 | A |
| 5092074 | Zincke | Mar 1992 | A |
| 6035748 | Burch, Jr. | Mar 2000 | A |
| 6708359 | Butts | Mar 2004 | B2 |
| 6983559 | Kraus | Jan 2006 | B1 |
| 7039973 | Lehmann | May 2006 | B1 |
| 7481019 | Rosenberg | Jan 2009 | B2 |
| D592923 | Konopka | May 2009 | S |
| D618299 | Steiner | Jun 2010 | S |