Inventor
GRAY GERALD R
US7 patents
Patents
7 patentsUS8959863B2Feb 24, 2015
Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug
GRAY GERALD R7 citations82
US9366044B2Jun 14, 2016
Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug
GRAY GERALD R1 citations60
US9316009B2Apr 19, 2016
Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug
GRAY GERALD R2 citations60
US9145696B2Sep 29, 2015
Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug
GRAY GERALD R3 citations60
US11927301B1Mar 12, 2024
System and method for reinforcing an existing wall structure to support hanging a load from the wall using a solidifiable fire-retardant composition
GRAY GERALD R0 citations58
US9909330B2Mar 6, 2018
Method and apparatus to fill and fire proof holes in concrete floors
GRAY GERALD R0 citations50
US9765541B2Sep 19, 2017
Method and apparatus to fill and fire proof holes in concrete floors
GRAY GERALD R1 citations50