Receiver support for telephones
United States Patent 1537772

Inventors:
George, Hitzler
Publication Date:
05/12/1925
View Patent Images:
Download PDF 1537772 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
George, Hitzler
Primary Class:
248/279.100
Other Classes:
379/420.010, 379/455
International Classes:
H04M1/04