Card – picture – or sign exhibiting – Calendars
Patent
1975-10-03
1977-01-18
Mancene, Louis G.
Card, picture, or sign exhibiting
Calendars
G09F 1310
Patent
active
040031519
ABSTRACT:
A test plate reader wherein a transparent test plate having a multiplicity of material containing wells is located across a light path, and a target having a pattern of opaque areas corresponding in number and location to the wells is interposed in the light path between the light source and the plate, so that the wells may be viewed against a brighter uniformly lighted background for improved contrast.
REFERENCES:
patent: 2157437 (1939-05-01), Shipley, Jr.
patent: 2332668 (1943-10-01), Richards
patent: 3425148 (1969-02-01), Reese
Hossom Miles G.
Tolosa Felix P.
Dynatech Laboratories Incorporated
Mancene Louis G.
Wolff John H.
LandOfFree
Test plate reader does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Test plate reader, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Test plate reader will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-64467