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Wil-St. Gallen both of, Switzerland

Markus Kopfli

USPTO Granted Patents = 3

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 28(Granted Patents)

Location History:

Wil, CH (1977)
Wil-St. Gallen both of, CH (1979)
Wil-St. Gallen, CH (1980)

Company Filing History:

Years Active: 1977-1980

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4225859 - Method and apparatus for monitoring sound-conducting media (1980-09-30),

2. 4142188 - Method and apparatus for monitoring sound-conducting media (1979-02-27),

3. 4010458 - Light gate system (1977-03-01),

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