Light-therapy appliance
United States Patent 1660794

Inventors:
Walter, Hudson
Publication Date:
02/28/1928
View Patent Images:
Download PDF 1660794 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
BURDICK CORP
Primary Class:
315/162
Other Classes:
315/289, 315/171, 315/152, 315/291, 250/493.100
International Classes:
A61N5/06