Combined thermocouple and RTD calibrator

- Omega Engineering, Inc.
Description

FIG. 1 is a top, front and right side perspective view of a combined thermocouple and RTD calibrator showing our new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a rear elevational view; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D269071 May 24, 1983 Waterman
3504522 April 1970 Oasik et al.
4075882 February 28, 1978 Waldron
4204882 May 27, 1980 Howell
4392005 July 5, 1983 Mohrman
4759895 July 26, 1988 Fortune et al.
Patent History
Patent number: D329618
Type: Grant
Filed: Oct 19, 1990
Date of Patent: Sep 22, 1992
Assignee: Omega Engineering, Inc. (Stamford, CT)
Inventors: Milton B. Hollander (Stamford, CT), Thomas E. Pyzik (Naugatuck, CT)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Attorneys: Bruce E. Hosmer, Howard S. Reiter
Application Number: 7/601,324