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Karlsruhe-Durlach, Germany

Helfried Hanus

USPTO Granted Patents = 4

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 14(Granted Patents)

Location History:

Karlsruhe-Durlach, DE (1982 - 1994)
Karlsruhe, DE (1997)

Company Filing History:

Pfaff Haushaltmaschinen Gmbh

G.m. Pfaff Aktiengesellschaft

Years Active: 1982-1997

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5647291 - Catch thread device for sewing machines (1997-07-15),

2. 5310968 - Digitizing device (1994-05-10),

3. 4751888 - Pulse generator for a sewing machine drive (1988-06-21),

4. 4317032 - Pulse generator for variable-speed drives (1982-02-23),

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