Title:
Stencil marker
United States Patent 1537685


Inventors:
Porter, Ladd Walter
Application Number:
US62764423A
Publication Date:
05/12/1925
Filing Date:
03/26/1923
Assignee:
Porter, Ladd Walter
Primary Class:
Other Classes:
101/DIG.40
International Classes:
A63B45/02; B41F17/30
View Patent Images: