Tank mixture proportioning gauge
Description
FIG. 1 is a top and right front perspective view of a tank mixture proportioning gauge showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a top and right front perspective view of another embodiment of my new design of FIGS. 1-5;
FIG. 7 is a front elevational view thereof;
FIG. 8 is a left side elevational view thereof;
FIG. 9 is a top plan view thereof;
FIG. 10 is a bottom plan view thereof.
Referenced Cited
Patent History
Patent number: D293087
Type: Grant
Filed: Mar 28, 1985
Date of Patent: Dec 8, 1987
Inventor: James E. Grinde (Anoka, MN)
Primary Examiner: Nelson C. Holtje
Attorneys: Orrin M. Haugen, Thomas J. Nikolai
Application Number: 6/717,170
Type: Grant
Filed: Mar 28, 1985
Date of Patent: Dec 8, 1987
Inventor: James E. Grinde (Anoka, MN)
Primary Examiner: Nelson C. Holtje
Attorneys: Orrin M. Haugen, Thomas J. Nikolai
Application Number: 6/717,170
Classifications