The broken lines in the drawings represent unclaimed environmental subject matter and form no part of the claim.
The broken lines in the drawings represent unclaimed environmental subject matter and form no part of the claim.
| Number | Name | Date | Kind |
|---|---|---|---|
| 880042 | Rietmann | Feb 1908 | A |
| 1147975 | Ruff | Jul 1915 | A |
| D273667 | Vuarnesson et al. | May 1984 | S |
| D401720 | Newquist | Nov 1998 | S |
| D402229 | Christensen | Dec 1998 | S |
| D655221 | Adams | Mar 2012 | S |
| 20120080343 | Gretz | Apr 2012 | A1 |
| 20130081326 | Peterson | Apr 2013 | A1 |