Inventor
BLACKMAN STEPHEN M
US8 patents
⚠️ This page may combine multiple inventors who share the name “BLACKMAN STEPHEN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FEDERAL PAPER BOARD CO INC
7 patentsUS5025980AJun 25, 1991
Double use express mail envelope
FEDERAL PAPER BOARD CO INC31 citations91
US4955527ASep 11, 1990
Clamshell style carton
FEDERAL PAPER BOARD CO INC29 citations91
US4799594AJan 24, 1989
Vending and reclosure device for powder and granular products
FEDERAL PAPER BOARD CO INC45 citations91
US4782943ANov 8, 1988
Basket-like carrier for cups and the like and blank for forming the same
FEDERAL PAPER BOARD CO INC33 citations91
US4706875ANov 17, 1987
Vending and reclosure device for powder and granular products
FEDERAL PAPER BOARD CO INC29 citations91
US4850529AJul 25, 1989
Tube construction for food and beverage tray
FEDERAL PAPER BOARD CO INC10 citations72
US4838414AJun 13, 1989
Basket carrier and internesting blanks therefor
FEDERAL PAPER BOARD CO INC6 citations61