Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for testing photographic emulsions

Apparatus for testing photographic emulsions

US Patent 5194887 · Granted Mar 16, 1993

Estimated economic value: $4,375,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Circuit apparatus with memory and power control responsive to circuit-based dete2013
Process for the preparation of concentrated dye-water compositions2004
Method and apparatus for controlling image scanning and data transfer in a photo2000
Bi-directional, dual speed film transport gear drive apparatus with an open loop2000
Film drive apparatus for a photographic film scanner1999
Magnetic head apparatus with gimbaled load pad1999
Monitoring of magnetically recorded data on film in photofinishing and film scan1998
Microwave-heated film processing apparatus1994
Single unit apparatus for chilling, drying and incubating photographic emulsions1992
Liquids mixing and dispensing system1992