# US 10,945,648 revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Patent: [US 10,945,648](/patents/masimo-us-10945648-pulse-oximetry.md)

## Recorded posture

- First recorded event: 2021-03-16
- Last material change: 2021-03-16
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2021-03-16**: created (source: https://www.masimo.com/media/itc-judge-rules-apple-violated-u-s-trade-laws-by-infringing-masimo-pulse-oximeter-patent) (verified)

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

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