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Forward Citations = 327

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8 inventors (with patents filed for the assignee):

Rolf Tschudin-Mahrer (7 out of 10 patents)

Werner P Frank (2 out of 6 patents)

Fritz Irrgeher (2 out of 2 patents)

4. Francis U Hill (1 out of 16 patents)

5. Paul F Schoenzart (1 out of 2 patents)

6. Frank Schwarze (1 out of 1 patent)

7. Illbruck G Wilheim (1 out of 1 patent)

8. Rolf Tschudin-Mahrer (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 5072952 - Sealing element (1991-12-17),

2. 5064709 - Composite part of flexible cellular material and elastic rubber material (1991-11-12),

3. 4980389 - Polyetherimide foam precursors and foams having improved physical (1990-12-25),

4. 4977018 - Sealing element (1990-12-11),

5. 4867271 - Acoustic insulation board consisting of foam (1989-09-19),

6. 4839223 - Fire-protective sealing element (1989-06-13),

7. 4837064 - Transport roller (1989-06-06),

8. 4776048 - Head cushion element (1988-10-11),

9. 4767655 - Sealing strip (1988-08-30),

10. 4715473 - Foam acoustic absorption member (1987-12-29),

11. 4666768 - Foam panel (1987-05-19),

12. 4564550 - Foam sealing tape (1986-01-14),

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USPTO Data Jan 1 1976 - Dec 16 2025

12 Patents

#9 in Fribourg

#901 in Switzerland

#46,685 in the World

Fribourg, Switzerland

Irbit Research & Consulting Ag