§
Luxuse
Patent Intelligence
Sign In
← Back to Companies

American Rock Wool Corp

American R
Active Patents
0
Total Holdings
2

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2163567A Bonded fibrous insulating material Expired / Lapsed 1937-08-27 1939-06-20 0 Details
US2103769A Method of and means for forming felted strips Expired / Lapsed 1935-07-05 1937-12-28 0 Details