# US 8,010,180 revision history

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

Patent: [US 8,010,180](/patents/us8010180-mako-haptic-guidance.md)

## Recorded posture

- First recorded event: 2011-08-30
- Last material change: 2011-08-30
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2011-08-30**: created (source: https://patents.google.com/patent/US8010180B2/en) (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.

_Canonical URL: /patents/us8010180-mako-haptic-guidance/history. HTML: [/patents/us8010180-mako-haptic-guidance/history](/patents/us8010180-mako-haptic-guidance/history)._