Title:
Aeronautical chart
Document Type and Number:
United States Patent 2294276
Inventors:
Callinicos, James N.
Plaque It!
|
Publication Date:
08/25/1942
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Export Citation:
Assignee:
Callinicos, James N.
Primary Class:
Other Classes:
40/904, 434/150
International Classes:
G09B29/10