Carl L Klass

US Patent:

45677484, Feb 4, 1986

Filed:

Jul 19, 1984

Appl. No.:

6/632390

Inventors:

Carl S. Klass - Hauppauge NY
Ernest F. Geiger - Port Jefferson NY

International Classification:

G01N 3396
G01N 3350

US Classification:

73 1G

Abstract:

A tonometer having vessels for producing and maintaining multi-levels of tonometerd aqueous buffered solutions and whole blood available for use in the quality controlling of a blood-gas analyzer. A water bath maintains all vessels at a predetermined temperature and gas mixtures are supplied at a very low rate thereby permitting continuous operation of the tonometer.

US Patent:

41688996, Sep 25, 1979

Filed:

Jun 27, 1977

Appl. No.:

5/810098

Inventors:

Carl S. Klass - Hauppauge NY

International Classification:

G03D 304

US Classification:

354299

Abstract:

Apparatus for the processing of exposed photographic negatives and prints consisting of a tank containing thermostatically controlled fluid in which are immersed one or more processing containers having the active solutions therein. A holder supporting the sensitized element with an agitator having elements facing the sensitized surface are assembled and placed within the container. The agitator has an extension which permits vibration of the agitator manually and/or electrically from outside the container which the active solution is reacting with the sensitized surface within the container.