| 6640389 |
Casement window operating assembly |
Marlo G. Van Klompenburg, David J. Vande Steeg, Robert S. Evers, Bruce A. Baier, Gregory J. Vetter |
2003-11-04 |
| D459982 |
Combined folding crank handle and cover assembly for a casement window operator |
David J. Vande Steeg, Marlo G. Van Klompenburg, Bruce A. Baier, Frank R. Wilgus, Gregory J. Vetter |
2002-07-09 |
| D459193 |
Outer surface of a cover for a casement window operator |
David J. Vande Steeg, Marlo G. Van Klompenburg, Bruce A. Baier, Frank R. Wilgus, Gregory J. Vetter |
2002-06-25 |
| D452999 |
Outer surface of a cover for a casement window operator |
David J. Vande Steeg, Marlo G. Van Klompenburg, Bruce A. Baier, Frank R. Wilgus, Gregory J. Vetter |
2002-01-22 |
| D451781 |
Outer surface of a crank handle |
David J. Vande Steeg, Marlo G. Van Klompenburg, Bruce A. Baier, Frank R. Wilgus, Gregory J. Vetter |
2001-12-11 |
| D450237 |
Combined folding crank handle and cover assembly for a casement window operator |
David J. Vande Steeg, Marlo G. Van Klompenburg, Bruce A. Baier, Frank R. Wilgus, Gregory J. Vetter |
2001-11-13 |