# US8392021B2 (USPTO)

Autonomous surface cleaning robot for wet cleaning. Assigned to Nilfisk Group.

## Key facts

- Jurisdiction: uspto
- Status: granted
- Number: US8392021B2
- Filing date: 2006-06-15
- Grant date: 2013-07-02
- Verification posture: reported

## Parties (1)

- **assignee**: [Nilfisk](/companies/nilfisk.md) (reported)

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