Forward Citations = 23

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6 inventors (with patents filed for the assignee):

Lauri Martti (2 out of 3 patents)

Matti Lindstrom (1 out of 4 patents)

Kauko Piri (1 out of 1 patent)

4. Olli Hamalainen (1 out of 1 patent)

5. Martti K/a/ Rkk/a/ Inen (1 out of 1 patent)

6. Martti I Karkkainen (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5259615 - Payout gate for a gaming device (1993-11-09),

2. 5104129 - Arrangement for a game playing device (1992-04-14),

3. D277768 - Slot machine (1985-02-26),

4. 4487414 - Coin operated prize dispensing projecting game (1984-12-11),

Raha-automaattiyhdistys (RAY) is a Finnish non-profit organization that operates slot machines and casinos for the purpose of raising funds for social welfare and health-related projects. RAY is committed to promoting responsible gaming and minimizing the negative effects of gambling. Through its operations, RAY has contributed significantly to improving the well-being of Finnish society.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#115 in Espoo

#627 in Finland

Espoo, Finland

Raha-automaattiyhdistys