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Zwiesel, Germany

Zwiesel Kristallglas Ag

USPTO Granted Patents = 3

EPO Patents = 9

Trademarks = 12

Forward Citations = 6

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4 inventors (with patents filed for the assignee):

Klaus Lesche (3 out of 5 patents)

Gerhard Röck (1 out of 1 patent)

Tobias Bredl (1 out of 1 patent)

4. Gerhard Roeck (1 out of 1 patent)

5. Kurt Heller (1 patent)

6. Edwin Kreiss (1 patent)

7. Alois Gruber (0 patent)

3 patents: Sort by Forward Citations

1. 11384003 - Laser filamentation (2022-07-12),

2. 9527762 - Apparatus for pressing and placing glass preforms (2016-12-27),

3. 8122740 - Method for generating raised or recessed structures on hollow bodies, preferably comprised of glass (2012-02-28),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#1 in Zwiesel

#8,262 in Germany

Zwiesel, Germany

Zwiesel Kristallglas Ag

Forward Citations = 6

4 inventors:

Klaus Lesche (3 out of 5 patents)

Gerhard Röck (1 out of 1 patent)

Tobias Bredl (1 out of 1 patent)

4. Gerhard Roeck (1 out of 1 patent)

5. Kurt Heller (1 patent)

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