Title:
Air blower and distributer
United States Patent 1339510
Inventors:
Hoffman, William A.
Publication Date:
05/11/1920
Assignee:
Hoffman, William A.
Other Classes:
34/99, 62/259.1, 62/293, 126/204, 137/563, 137/597, 165/48.1, 165/124, 392/380, 392/473
International Classes:
A61H33/08; A61H3/02; A61H33/06; A61H3/00