# US6832985B2 revision history

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

Patent: [US6832985B2](/patents/karl-storz-endoscope-position-display-2004.md)

## Recorded posture

- First recorded event: 2004-12-21
- Last material change: 2004-12-21
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2004-12-21**: created (source: {"url": "https://patents.google.com/patent/US6832985B2/en", "title": "US6832985B2 Endoscopic system with instrument position and orientation display (Karl Storz SE and Co KG; granted December 21, 2004; expired May 16, 2020)", "sourceName": "Google Patents"}) (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/karl-storz-endoscope-position-display-2004/history. HTML: [/patents/karl-storz-endoscope-position-display-2004/history](/patents/karl-storz-endoscope-position-display-2004/history)._