FERROGRIT
Filed: February 28, 1931
SAFETY STAIR TREADS, FLOOR PLATES, AND RAMP PLATES
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 71311588
BRONZOGRIT
Filed: September 17, 1931
FLOOR PLATES AND DOOR THRESHOLDS
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 71319160
ALUMOGRIT
Filed: July 8, 1935
METALLIC SAFETY STAIR TREADS, FLOOR PLATES, RAMP PLATES, AND DOOR THRESHOLDS
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 71367090
SOFT-TRED
Filed: July 28, 1995
flexible non-slip safety tapes sold in varying lengths and widths
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 74707081
Image Trademark
Filed: July 28, 1995
cast metal safety stair treads and nosings
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 74707293
NICKLOGRIT
Filed: September 5, 1995
cast metal safety treads, plates, nosings and thresholds
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 74724548
EZ GRIT
Filed: October 4, 1996
antislip spray coating for use on walkways, ramps, decks, stair treads and the like
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 75176870
MARKER
CAST METAL SAFETY STAIR TREADS AND NOSINGS
Owned by: WOOSTER PRODUCTS, INC.
Serial Number: 76681587
