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PatentBrief

Company Portfolio

Automatic Electric Co

Patents indexed

1

Year range

1925

Key Inventors

Bernard D Willis1

All Patents

1

Career timeline

1 patents, in 1925

Dot size = forward citations

19251926

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 1537326·1925· INDEXING

Make-busy scheme for telephone systems

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