B - Operations – Transporting – 43 – L
Patent
B - Operations, Transporting
43
L
33/79
B43L 7/02 (2006.01)
Patent
CA 1139933
RETRACTABLE-PIN STABILIZERS ON A WALLBOARD T-SQUARE ABSTRACT OF THE DISCLOSURE A large T square having retractable pins for temporary attachment of the T-square to the face of a product such as a gypsum wallboard.
350287
Smith Richard E.
Wing Steven D.
National Gypsum Company
Osler Hoskin & Harcourt Llp
LandOfFree
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