| Number | Name | Date | Kind |
|---|---|---|---|
| 3236459 | McRitchie | Feb 1966 | A |
| 3779462 | Bruninga | Dec 1973 | A |
| 4682735 | Mommsen | Jul 1987 | A |
| 4977911 | Vetter | Dec 1990 | A |
| 4993642 | Hufgard | Feb 1991 | A |
| 5803367 | Heard | Sep 1998 | A |
| 5857625 | Klein et al. | Jan 1999 | A |
| 5924702 | Huff | Jul 1999 | A |
| 6189809 | Schwebemeyer | Feb 2001 | B1 |
| 6375094 | Schroeder | Apr 2002 | B1 |
| D459432 | Schmon | Jun 2002 | S |
| D459433 | Schmon | Jun 2002 | S |
| 6572034 | Liu | Jun 2003 | B1 |
| 7364098 | Alexander | Apr 2008 | B2 |
| D571434 | Renner | Jun 2008 | S |
| D627431 | Escoto et al. | Nov 2010 | S |
| D655347 | Gehrung | Mar 2012 | S |
| 8439281 | Troudt | May 2013 | B2 |
| 20020176944 | Merrifield | Nov 2002 | A1 |
| 20060118661 | Hartle | Jun 2006 | A1 |
| 20080164338 | Burns | Jul 2008 | A1 |
| Number | Date | Country |
|---|---|---|
| 49908789-0004 | Feb 2000 | DE |
| 1566222 | Aug 2005 | EP |
| 1634651 | Mar 2006 | EP |
| 9-253538 | Sep 1997 | JP |
| Entry |
|---|
| Duncan, U.S. Appl. No. 61/914,454, System for Identifying Spray Gun, Filed Dec. 11, 2013. |