04092120 is referenced by 39 patents and cites 4 patents.

A device is disclosed for the storage and testing of laboratory samples. The device includes a base plate having an aperture therethrough and having a recess extending into its bottom surface. A first raised wall member extends outwardly from the upper surface of the base plate to define a sample storage area over the aperture. A top cover is configured to fit over the upper surface of the base plate and includes a raised portion which extends into the raised wall portion on the base plate to compress the sample. A bottom cover fits snugly within the recess on the bottom surface. A sheet of testing material such as filter paper may be disposed within the recess beneath the bottom cover where it is brought in contact with the sample through the aperture in the base plate.

Title
Method and apparatus for establishing fecal occult blood
Application Number
5/743470
Publication Number
4092120
Application Date
November 19, 1976
Publication Date
May 30, 1978
Inventor
Herman Adlercreutz
Helsinki
SF
Pertti Virkola
Kauniainen
SF
Osmo Suovaniemi
Helsinki
SF
Agent
Hopgood Calimafde Kalil Blaustein and Lieberman
Assignee
Osmo Antero Suovaniemi
SF
IPC
G01N 21/06
G01N 33/16
View Original Source