# US9777502B2 (USPTO)

Multi-level fulfillment center for unmanned aerial vehicles. Assigned to Zipline International Inc.

## Key facts

- Jurisdiction: uspto
- Status: granted
- Number: US9777502B2
- Filing date: 2017-08-04
- Grant date: 2021-10-12
- Verification posture: reported

## Parties (1)

- **assignee**: [Zipline](/companies/zipline.md) (reported)

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