Billboard Type Patents and Patent Applications (Class D20/39) - Justia Patents Search

Billboard Type Patents (Class D20/39)

Portable exhibit system

Patent number: D256138

Type: Grant

Filed: March 13, 1978

Date of Patent: July 29, 1980

Inventor: Ian A. Tesar
Billboard display apparatus

Patent number: D279389

Type: Grant

Filed: November 16, 1983

Date of Patent: June 25, 1985

Inventors: Thomas B. Douglas, A. Clark Dunklin
Advertising display structure and sports facility

Patent number: D280744

Type: Grant

Filed: October 24, 1983

Date of Patent: September 24, 1985

Inventor: Marcia Gaylor

prev 1 2 3