Inventor · Wilkes-Barre, PA, US

John J. Chapko

3Patents
2h-index
4Co-inventors
30Inventor score

Filing activity: Aug 9, 1982 → Aug 29, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4509805A Enclosed shelving Performing Operations; Transporting 37 Expired
US4991725A Compact storage system Human Necessities 31 Expired
US4557511A Latch assembly for holding an object in either of two positions Emerging Cross-Sectional Technologies 2 Expired

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