Inventor
HYDE JACK
US8 patents
⚠️ This page may combine multiple inventors who share the name “HYDE JACK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTH AMERICAN REFRACTORIES
5 patentsUS4940081AJul 10, 1990
Checker brick
NORTH AMERICAN REFRACTORIES22 citations80
US5531586AJul 2, 1996
Interlocking checker brick mold
NORTH AMERICAN REFRACTORIES7 citations71
US5358031AOct 25, 1994
Interlocking checker bricks and method and apparatus for making
NORTH AMERICAN REFRACTORIES7 citations71
US5299629AApr 5, 1994
Interlocking checker bricks
NORTH AMERICAN REFRACTORIES6 citations60
US5474726ADec 12, 1995
Method of making interlocking checker bricks
NORTH AMERICAN REFRACTORIES0 citations50