Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ring lens assembly for an optical viewing device

Ring lens assembly for an optical viewing device

US Patent 5369525 · Granted Nov 29, 1994

Estimated economic value: $3,295,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Bala Laparoscope System2021
Self-healing liquid/solid state battery2018
Micro-endoscopic system2004
Micro-endoscopic system2003
Zoom laparoscope2002
Optical viewing device1999
Optical viewing device1997
Nonimaging radiant energy device1996
Optical viewing device1995
Photochromic light control mirror1994
Optical viewing device1994
Laser discrimination device1993