Inventor · Windom, MN, US

Charles A. Mathna

6Patents
5h-index
6Co-inventors
56Inventor score

Filing activity: Nov 18, 1976 → Aug 30, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4049483A Pressure sensitive hot-melt adhesive system Emerging Cross-Sectional Technologies 46 Expired
US4729518A Tape dispenser including a backcard with projecting hub parking portions Emerging Cross-Sectional Technologies 37 Expired
US5876817A Adhesive clip Emerging Cross-Sectional Technologies 31 Expired
US6090461A Temporary display device Emerging Cross-Sectional Technologies 9 Expired
US4407932A Fade-resistant and abrasion resistant photographic reproduction, method of preparing, and photographic product therefor Emerging Cross-Sectional Technologies 6 Expired
USD542022S1 Bandages pouch General 2 Expired

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