Process of carbonizing
United States Patent 1536696

Inventors:
Wightman, Wallace George
Publication Date:
05/05/1925
View Patent Images:
Download PDF 1536696 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Wightman, Wallace George
Primary Class:
201/27
Other Classes:
202/182, 201/44, 202/202, 48/203, 202/93, 201/37, 48/209, 201/30
International Classes:
C10B1/04; C10B1/00