DS

David J. Vande Steeg

PE Pella: 6 patents #13 of 117Top 15%
📍 Pella, IA: #56 of 257 inventorsTop 25%
🗺 Iowa: #2,628 of 15,303 inventorsTop 20%
Overall (All Time): #880,945 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6640389 Casement window operating assembly Marlo G. Van Klompenburg, Robert S. Evers, Andrew W. Middleswart, Bruce A. Baier, Gregory J. Vetter 2003-11-04
D459982 Combined folding crank handle and cover assembly for a casement window operator Andrew W. Middleswart, 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 Andrew W. Middleswart, 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 Andrew W. Middleswart, Marlo G. Van Klompenburg, Bruce A. Baier, Frank R. Wilgus, Gregory J. Vetter 2002-01-22
D451781 Outer surface of a crank handle Andrew W. Middleswart, 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 Andrew W. Middleswart, Marlo G. Van Klompenburg, Bruce A. Baier, Frank R. Wilgus, Gregory J. Vetter 2001-11-13