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Leinfelden-Echterdingen, Germany

Winfried Helm

This inventor holds 4 USPTO granted patents. Top assignee: Robert Bosch. Active years: 1990-1991.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 100(Granted Patents)

Location History:

Leinfelden, DE (1990)
Leinfelden-Echterdingen, DE (1990 - 1991)

Company Filing History:

4 out of 30,127

Years Active: 1990-1991

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5005321 - Protective hood for grinding machines, particularly angle grinders, and (1991-04-09),

2. 4980994 - Clamping fixture for detachably particular a disc (1991-01-01),

3. 4955744 - Clamping fixture for axially clamping a tool in place, in particular a (1990-09-11),

4. 4901479 - Portable hand machine tool, particularly angle gringer (1990-02-20),

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