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Nuremberg, Germany

Trw Daut + Rietz Gmbh & Co. Kg

USPTO Granted Patents = 6

Forward Citations = 97

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4 inventors (with patents filed for the assignee):

Helmut Steinhardt (4 out of 12 patents)

Josef Koiner (2 out of 4 patents)

Rudolf Nottrott (2 out of 3 patents)

4. Anton Bieringer (2 out of 4 patents)

6 patents: Sort by Forward Citations

1. 5288252 - Flat-contact plug socket (1994-02-22),

2. 5238418 - Multipolar electric coupling device (1993-08-24),

3. 5114360 - Electrical coupling device (1992-05-19),

4. 5073132 - Flat contact spring for plugs of electrical plug and socket connections (1991-12-17),

5. 5032087 - Electrical coupling device (1991-07-16),

6. 4992064 - Flat contact spring for plugs for electric plug-type connectors and (1991-02-12),

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USPTO Data Jan 1 1976 - Dec 9 2025

6 Patents

#31 in Nuremberg

#5,316 in Germany

Nuremberg, Germany

Trw Daut + Rietz Gmbh & Co. Kg

Forward Citations = 97

4 inventors:

Helmut Steinhardt (4 out of 12 patents)

Josef Koiner (2 out of 4 patents)

Rudolf Nottrott (2 out of 3 patents)

4. Anton Bieringer (2 out of 4 patents)

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