Decisions of the courts and the Patent Office as to the validity and scope of the Bell patents.

APA Citation

American Bell Telephone Company. (189). Decisions of the courts and the Patent Office as to the validity and scope of the Bell patents. [Place of publication not identified]: [publisher not identified].

MLA Citation

American Bell Telephone Company. Decisions of the Courts And the Patent Office As to the Validity And Scope of the Bell Patents. [Place of publication not identified]: [publisher not identified], 189.