The drain unclogger is shown broken away in the center to indicate indeterminate length.
The drain unclogger is shown broken away in the center to indicate indeterminate length.
| Number | Name | Date | Kind |
|---|---|---|---|
| D138138 | Burg | Jun 1944 | S |
| 3538533 | Woods | Nov 1970 | A |
| 4741150 | Saksun | May 1988 | A |
| D304106 | Dobson et al. | Oct 1989 | S |
| D306924 | Shapton | Mar 1990 | S |
| D321574 | Shevers et al. | Nov 1991 | S |
| D364715 | Amram et al. | Nov 1995 | S |
| D364741 | Reuter, III | Dec 1995 | S |
| D392103 | Zaccheria | Mar 1998 | S |
| D397592 | Widmer | Sep 1998 | S |
| D414343 | Isaacson | Sep 1999 | S |
| D453075 | Liu | Jan 2002 | S |
| D485075 | Hutchinson | Jan 2004 | S |
| D564230 | Schouten | Mar 2008 | S |
| D597315 | Hoffelner | Aug 2009 | S |
| 7587780 | Pfister | Sep 2009 | B2 |