Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus and system for analyzing fixation disparity

Apparatus and system for analyzing fixation disparity

US Patent 4222639 · Granted Sep 16, 1980

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Visual tool for assessing the ergonomic position of a video display terminal1997
Lensometer with guided lens movement for progressive addition lens1994