For the Inventor, By the Inventor

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Budapest, Hungary

501 Rubik Studio

USPTO Granted Patents = 2

Forward Citations = 6

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2 inventors (with patents filed for the assignee):

Erno Rubik (2 out of 12 patents)

Cheung K Fai (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4685681 - Composite array apparatus and method (1987-08-11),

2. 4685680 - Foldable composite system (1987-08-11),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#100 in Budapest

#164 in Hungary

Budapest, Hungary

501 Rubik Studio

Forward Citations = 6

2 inventors:

Erno Rubik (2 out of 12 patents)

Cheung K Fai (1 out of 1 patent)

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