PatentBrief

Inventor

John M Bergey

Patents indexed

1

Year range

1972

Associated with

Years active

1972

Total patents

1

Most recent

1972

Frequent collaborator

Richard S Walton

Domains

consumer_electronicssemiconductorssoftware

Activity by decade

1970s
1

Patents

1

Career timeline

1 patents, in 1972

Dot size = forward citations

19721973

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

US 3672155·1972·Hamilton Watch Co

Hamilton's Early Digital Watch with LED Display

Hamilton's 1972 patent for a digital watch that uses electronic circuits and light-emitting diodes (LEDs) to show time, instead of gears and hands, powered by a rechargeable battery.

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