Retaining wall block
Latest Keystone Retaining Wall Systems, Inc. Patents:
Description
FIG. 1 is a bottom front perspective view of a retaining wall block of my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a sectional view taken along line 6--6 of FIG. 2; and
FIG. 7 is a sectional view taken along line 7--7 of FIG. 3.
Referenced Cited
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Patent History
Patent number: D300254
Type: Grant
Filed: Jun 6, 1988
Date of Patent: Mar 14, 1989
Assignee: Keystone Retaining Wall Systems, Inc. (Edina, MN)
Inventor: Paul J. Forsberg (Burnsville, MN)
Primary Examiner: A. Hugo Word
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 7/202,993
Type: Grant
Filed: Jun 6, 1988
Date of Patent: Mar 14, 1989
Assignee: Keystone Retaining Wall Systems, Inc. (Edina, MN)
Inventor: Paul J. Forsberg (Burnsville, MN)
Primary Examiner: A. Hugo Word
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 7/202,993
Classifications