Inventor

GLASSCOCK STEPHEN D

US2 patents

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

HALLMARK CARDS

1 patent

US4491494AJan 1, 1985

Decorating methods

HALLMARK CARDS22 citations71

CRAYOLA LLC

1 patent

US7521112B2Apr 21, 2009

Coated art material system

CRAYOLA LLC2 citations56