The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2014
Filed:
Aug. 29, 2011
Applicants:
Dennis Wayne Koerner, Memphis, TN (US);
Carl David Ring, Memphis, TN (US);
Jonathan Browning Jackson, Collierville, TN (US);
Inventors:
Dennis Wayne Koerner, Memphis, TN (US);
Carl David Ring, Memphis, TN (US);
Jonathan Browning Jackson, Collierville, TN (US);
Assignee:
RAPAC, Oakland, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Polystyrene drainage beads having optimized shapes to provide increased specific gravity and void volume at a given bulk density. Expanded forms of such drainage beads may be used as a geosynthetic aggregate in pre-assembled drainage units. Such pre-assembled drainage units may be used as foundation drains, septic drainage fields, or for other applications.