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Product namePatent number

Proofn.com

US 10,291,568; US 10,791,083; US 11,362,983, US 11,516,169; US 11,895,076; US 12,273,314; ZL201710665617.9; ZL202210280112.1; HK40076051; J/009065

Proofn® app (iOS version)

US 10,291,568; US 10,791,083; US 11,362,983, US 11,516,169; US 11,895,076; US 12,273,314; ZL201710665617.9; ZL202210280112.1; HK40076051

Proofn® app (Android version)

US 10,291,568; US 10,791,083; US 11,362,983, US 11,516,169; US 11,895,076; US 12,273,314; ZL201710665617.9; ZL202210280112.1; HK40076051