# US6247538B1 (USPTO)

Automatic excavator and excavation method. Assigned to Komatsu Ltd.

## Key facts

- Jurisdiction: uspto
- Status: granted
- Number: US6247538B1
- Filing date: 1999-05-11
- Grant date: 2001-06-19
- Verification posture: reported

## Parties (1)

- **assignee**: [Komatsu](/companies/komatsu.md) (reported)

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