Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device for measuring the distance between the device and a measuring surface

Device for measuring the distance between the device and a measuring surface

US Patent 4900151 · Granted Feb 13, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ophthalmic apparatus with a lighting and/or beam therapy ray whose surface inten2003
Device for the stereoscopic examination of a patient's eye2002
Device for keratometric measurements1998
Optical retro-reflector1992
Distance measuring device1989
Device for scanning the contour of a surface of a workpiece1989
Device for measuring small distances1988
Device for measuring small distances1988