Inventor · Cupertino, CA, US

Frank Schellenberg

4Patents
3h-index
7Co-inventors
39Inventor score

Filing activity: Nov 18, 1994 → Jul 2, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6526733B1 Device for aligning a packing material tube with a position mark Performing Operations; Transporting 15 Expired
US6999611B1 Reticle defect detection using simulation Physics 12 Expired
US5686206A Method for the repair of lithographic masks Physics 9 Expired
US6962032B2 Packaging machine for continuously producing sealed packages Performing Operations; Transporting 0 Expired

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