HACH ASSOCIATES, INC. Trademarks
SIDIKI
Filed: December 8, 1980
an Easel Featuring a Transparent Writing Surface Upon or Under which Various Inserts May Be Placed for Educational Purposes…
Owned by: HACH ASSOCIATES, INC.
Serial Number: 73288687
SIDIKI
Filed: June 11, 1987
AN EASEL FEATURING A TRANSPARENT WRITING SURFACE UPON OR UNDER WHICH VARIOUS INSERTS MAY BE PLACED FOR EDUCATIONAL PURPOSES…
Owned by: HACH ASSOCIATES, INC.
Serial Number: 73665884
CHALKMAT
Filed: December 14, 1988
FLEXIBLE WRITING AND DRAWING SURFACE
Owned by: HACH ASSOCIATES, INC.
Serial Number: 73769294
