Title:
AIR-PERMEABLE PROTECTIVE MATERIALS
United States Patent 3502537
Inventors:
Pearson, William M.
Crosby, Thomas S.
Publication Date:
03/24/1970
Other Classes:
55/514, 55/524, 428/422, 442/121, 524/25
International Classes:
A62D5/00; D04H1/4258; D04H1/4334; D04H1/488; D04H1/587; D04H1/645; D04H1/65; D06M11/74; (IPC1-7): B32B5/16