Chemical detergent block
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Description
FIG. 1 is a perspective view of a chemical detergent block showing our new design;
FIG. 2 is a top plan view thereof; and,
FIG. 3 is a side elevational view thereof all other sides being mirror images of that shown.
The bottom view is flat and unornamented.
Referenced Cited
Patent History
Patent number: D334968
Type: Grant
Filed: May 14, 1991
Date of Patent: Apr 20, 1993
Assignee: Ecolab Inc. (St. Paul, MN)
Inventors: Elizabeth J. Gladfelter (Falcon Heights, MN), Tina O. Outlaw (Inver Grove Heights, MN), James L. Copeland (Burnsville, MN), Rhonda K. Schulz (Burnsville, MN), Daniel K. Boche (Eagan, MN), Jeff W. Peterson (Minnetonka, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Melody Brown
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 7/699,784
Type: Grant
Filed: May 14, 1991
Date of Patent: Apr 20, 1993
Assignee: Ecolab Inc. (St. Paul, MN)
Inventors: Elizabeth J. Gladfelter (Falcon Heights, MN), Tina O. Outlaw (Inver Grove Heights, MN), James L. Copeland (Burnsville, MN), Rhonda K. Schulz (Burnsville, MN), Daniel K. Boche (Eagan, MN), Jeff W. Peterson (Minnetonka, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Melody Brown
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 7/699,784
Classifications