Drainage chamber
Latest Advanced Drainage Systems Inc. Patents:
The shape of the edge of the drainage chamber illustrated in
Claims
The ornamental design for a drainage chamber, as shown and described.
Type: Grant
Filed: Jul 29, 2016
Date of Patent: Jan 2, 2018
Assignee: Advanced Drainage Systems Inc. (Hilliard, OH)
Inventors: David Mailhot (York, ME), Michael Kuehn (Chester, CT)
Primary Examiner: Robin V Webster
Application Number: 29/572,720