Inventor

COPE DENNIS

US4 patents

⚠️ This page may combine multiple inventors who share the name “COPE DENNIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

M & D BALLOONS INC

2 patents

US5248275ASep 28, 1993

Balloon with flat film valve and method of manufacture

M & D BALLOONS INC91 citations94

US5378299AJan 3, 1995

Method of making a balloon with flat film valve

M & D BALLOONS INC10 citations72

COPE DENNIS

1 patent

US4877334AOct 31, 1989

Inflatable bag

COPE DENNIS81 citations90

(unassigned)

1 patent

US6318013B1Nov 20, 2001

Inflatable display device

16 citations79