Title:
Clip for drawing instruments
United States Patent 1498994


Inventors:
Irwin, Borsuk
Meyer, Erik V.
Application Number:
US46039121A
Publication Date:
06/24/1924
Filing Date:
04/11/1921
Assignee:
Irwin, Borsuk
Meyer, Erik V.
Primary Class:
Other Classes:
24/563
International Classes:
B43L7/00
View Patent Images: