Forward Citations = 54

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8 inventors (with patents filed for the assignee):

Bernd Bastiansen (3 out of 8 patents)

Heinrich Stukenkemper (2 out of 15 patents)

Hans-Joachim Ahrens (1 out of 3 patents)

4. Petra Maurer (1 out of 1 patent)

5. Gerold Anderka (1 out of 22 patents)

6. Walter Jozat (1 out of 10 patents)

7. Steffen Wunsche (1 out of 3 patents)

8. Bernhard Bruhn (1 out of 6 patents)

8 patents: Sort by Forward Citations

1. 6062758 - Ink writing implement (2000-05-16),

2. D414203 - Fountain pen (1999-09-21),

3. 5938362 - Writing implement for ink (1999-08-17),

4. D412183 - Ball point pen (1999-07-20),

5. 5443322 - Flow control for writing or drawing instrument (1995-08-22),

6. 5427463 - Ink writing implement (1995-06-27),

7. D357276 - Ink stylus pen (1995-04-11),

8. 5392520 - Vector brush (1995-02-28),

Rotring International GmbH & Co. KG is a German manufacturer of technical drawing tools and writing instruments. Founded in 1928, Rotring is known for its high-quality drafting pens and pencils used by architects, engineers, and designers worldwide. The company's products are renowned for their precision, durability, and innovative design, making them a favorite among professionals in the creative industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#96 in Hamburg

#4,366 in Germany

Hamburg, Germany

Rotring International Gmbh & Co. Kg