Inventor · Westmont, IL, US

Stephen M. Blackman

8Patents
7h-index
3Co-inventors
52Inventor score

Filing activity: Nov 14, 1986 → Mar 14, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6286754A Paperboard cup holder Performing Operations; Transporting 59 Expired
US4799594A Vending and reclosure device for powder and granular products Performing Operations; Transporting 33 Expired
US4782943A Basket-like carrier for cups and the like and blank for forming the same Emerging Cross-Sectional Technologies 28 Expired
US5025980A Double use express mail envelope Performing Operations; Transporting 25 Expired
US4955527A Clamshell style carton Emerging Cross-Sectional Technologies 24 Expired
US4706875A Vending and reclosure device for powder and granular products Performing Operations; Transporting 22 Expired
US4850529A Tube construction for food and beverage tray Performing Operations; Transporting 7 Expired
US4838414A Basket carrier and internesting blanks therefor Emerging Cross-Sectional Technologies 5 Expired

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