Inventor

HALLMAN ROBERT A

US2 patents

⚠️ This page may combine multiple inventors who share the name “HALLMAN ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARMSTRONG WORLD IND INC

1 patent

US5505808AApr 9, 1996

Method to produce an inorganic wear layer

ARMSTRONG WORLD IND INC38 citations89

(unassigned)

1 patent

US5800904ASep 1, 1998

Embossable surface covering with inorganic wear layer

41 citations87