1. Paper roll
1. Paper roll
| Number | Date | Country | Kind |
|---|---|---|---|
| 6592960 | Jun 2019 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 2522109 | Foltis | Sep 1950 | A |
| 2873928 | Klasky | Feb 1959 | A |
| 2889121 | Heinle | Jun 1959 | A |
| 3145940 | Henry | Aug 1964 | A |
| 3438589 | Jespersen | Apr 1969 | A |
| 3602450 | Jespersen | Aug 1971 | A |
| 4239163 | Christian | Dec 1980 | A |
| D296963 | Smallwood | Aug 1988 | S |
| 4792105 | Imaseki | Dec 1988 | A |
| 5340047 | Heller | Aug 1994 | A |
| D381851 | Sharpe | Aug 1997 | S |
| D394178 | Gremchuck | May 1998 | S |
| D414361 | Senecal, Jr. | Sep 1999 | S |
| D422819 | Fong | Apr 2000 | S |
| D427828 | Senecal, Jr. | Jul 2000 | S |
| 6702225 | Newman | Mar 2004 | B2 |
| D494395 | Wolpert | Aug 2004 | S |
| D495176 | Wolpert | Aug 2004 | S |
| D495177 | Wolpert | Aug 2004 | S |
| D509690 | Wolpert | Sep 2005 | S |
| D532229 | Hoernig | Nov 2006 | S |
| D555955 | Salaker | Nov 2007 | S |
| D555956 | Salaker | Nov 2007 | S |
| 7364112 | Formon | Apr 2008 | B1 |
| 7568653 | Zeiron | Aug 2009 | B2 |
| D630874 | Moller | Jan 2011 | S |
| D632512 | Bejdova | Feb 2011 | S |
| 7891600 | Schmatz | Feb 2011 | B1 |
| 7975957 | Lind | Jul 2011 | B2 |
| 8490913 | Formon | Jul 2013 | B2 |
| D703461 | Myron | Apr 2014 | S |
| 8783600 | Myron | Jul 2014 | B1 |
| D719374 | Myron | Dec 2014 | S |
| 9370284 | Moller | Jun 2016 | B2 |
| D806433 | Roberts | Jan 2018 | S |
| D854852 | Mathison | Jul 2019 | S |
| 20030045412 | Schulz | Mar 2003 | A1 |
| 20080164369 | Adelakun | Jul 2008 | A1 |
| 20100025519 | Granger | Feb 2010 | A1 |
| 20150083847 | Cittadino | Mar 2015 | A1 |
| 20160058251 | Rudnick | Mar 2016 | A1 |
| 20160280505 | Stinson | Sep 2016 | A1 |