Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7228797 | Cordless blind A cordless blind includes a headrail, a bottom rail suspended from the headrail by a first cord and a second cord, a wall covering disposed between the headrail and the bottom rail, and a drive actuator. The drive actuator includes a spring motor, a spool coupled to... | 06/12/2007 |
| 7104305 | Vertically adjustable rod support assembly A vertically adjustable rod support assembly for selectively supporting an existing curtain rod and curtain at an elevated height within an existing window frame, and for enabling a user to lower the vertical height of the curtain rod in order to attach or detach th... | 09/12/2006 |
| 5819835 | Roll-up divider A roll-up apparatus including a curtain suspended within a room to be divided or partially closed off and a roll member at the bottom edge of the curtain around which the curtain winds and unwinds. The curtain is raised by rolling the curtain up from the ... | 10/13/1998 |
| 4574864 | Vertically positioning window shading system This invention is an improvement over my U.S. Pat. No. 4,326,577 for a window screen arrangement comprising a novel roller combination for winding and unwinding the screen or shade element and at the same time positioning of the entire screen assembly in ... | 03/11/1986 |
| 4326577 | Vertically positioning window shading system A window screen arrangement comprises a novel roller combination for winding and unwinding the screen or shade element and at the same time providing for positioning of the entire screen assembly in any desired position vertically on a window to provide p... | 04/27/1982 |
