Helical pier with opposed external bars
Latest Magnum Piering, Inc. Patents:
Claims
The ornamental design for a helical pier with opposed external bars, as shown and described.
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- Screw Anchor Designs and Configurations, Almita Manufacturing Ltd. web page: www.almita.com/anchor.htm; printed Dec. 4, 2002 (1 page).
Type: Grant
Filed: Dec 3, 2009
Date of Patent: Apr 13, 2010
Assignee: Magnum Piering, Inc. (West Chester, OH)
Inventor: Howard A. Perko (Fort Collins, CO)
Primary Examiner: Doris Clark
Attorney: Wood, Herron & Evans, LLP
Application Number: 29/351,280