Foldable sign carrier

• Main Authors: WOLLMER ROGER E, LOOCK GERALD H
• Format: Patent
• Language: English
• Published: 08.09.1953
• Subjects: ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS