The broken line showing of unclaimed portions of the housing for a rotary valve forms no part of the claimed design.
The broken line showing of unclaimed portions of the housing for a rotary valve forms no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
2428241 | Pootjes | Sep 1947 | A |
4258752 | Liebert et al. | Mar 1981 | A |
6499507 | Hochrein et al. | Dec 2002 | B1 |
6676190 | Daniels et al. | Jan 2004 | B2 |
6694749 | Heron | Feb 2004 | B2 |
6712087 | Hill et al. | Mar 2004 | B2 |
7013917 | Joseph, III | Mar 2006 | B2 |