Mortarless blinder screen block

Description

The FIGURE is an isometric view, the rear being identical to the front and the bottom being identical to the top.

Referenced Cited
U.S. Patent Documents
D295789 May 17, 1988 Smith
486356 November 1892 Sanders
1410953 March 1922 Peirce et al.
Patent History
Patent number: D336686
Type: Grant
Filed: Aug 5, 1991
Date of Patent: Jun 22, 1993
Inventor: Monroe E. Pederson (Lancaster, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Application Number: 7/740,484
Classifications