Inventor · Coleman, MI, US

Raymond R. Rydman

5Patents
5h-index
4Co-inventors
48Inventor score

Filing activity: Jun 1, 1990 → Sep 30, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5070584A Zipper for a reclosable thermoplastic bag and a process and apparatus for making Emerging Cross-Sectional Technologies 161 Expired
US5307552A Method of making a zipper for reclosable thermoplastic bag Emerging Cross-Sectional Technologies 49 Expired
US5478228A Apparatus for making a zipper for a reclosable thermoplastic bag Emerging Cross-Sectional Technologies 47 Expired
US6021557A Process of making a zipper for a reclosable thermoplastic bag Emerging Cross-Sectional Technologies 42 Expired
US5962040A Apparatus for making a zipper for a reclosable thermoplastic bag Emerging Cross-Sectional Technologies 27 Expired

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