Inventor · Pella, IA, US

John Scharff

5Patents
5h-index
14Co-inventors
56Inventor score

Filing activity: Nov 18, 1991 → Dec 31, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5299399A Window panel with breather system Emerging Cross-Sectional Technologies 22 Expired
US7124546B2 Muntin bar connector with positioning tabs Fixed Constructions 20 Expired
US6746175B1 Fenestration corner lock Emerging Cross-Sectional Technologies 17 Expired
US5934351A Sliding tilt mechanism for horizontal slatted blinds Fixed Constructions 13 Expired
US7066233B2 Sliding operator for between the glass window coverings Fixed Constructions 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.