Color comparator
Latest Hach Company Patents:
Description
FIG. 1 is a perspective view of a color comparator showing our new design;
FIG. 2 is a right side elevational view;
FIG. 3 is a top plan view;
FIG. 4 is a bottom plan view;
FIG. 5 is a rear elevational view; and,
FIG. 6 is a front elevational view thereof.
Referenced Cited
Patent History
Patent number: D325881
Type: Grant
Filed: Jul 24, 1989
Date of Patent: May 5, 1992
Assignee: Hach Company (Loveland, CO)
Inventors: Scott V. Brayton (Loveland, CO), Richard D. Vanvalin (Loveland, CO), Timothy J. Gaul (Loveland, CO)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Antoine D. Davis
Attorney: Dean P. Edmundson
Application Number: 7/384,663
Type: Grant
Filed: Jul 24, 1989
Date of Patent: May 5, 1992
Assignee: Hach Company (Loveland, CO)
Inventors: Scott V. Brayton (Loveland, CO), Richard D. Vanvalin (Loveland, CO), Timothy J. Gaul (Loveland, CO)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Antoine D. Davis
Attorney: Dean P. Edmundson
Application Number: 7/384,663
Classifications
Current U.S. Class:
Chemical (12) (D10/81)