Membership
Tour
Register
Log in
Joseph L. Cristaldi
Follow
Person
West Chester, PA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Underdrain for a filter system for filtering water or wastewater
Patent number
9,072,989
Issue date
Jul 7, 2015
Roberts Marketing DE, Inc.
R. Lee Roberts
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Underdrain for a filter system for filtering water or wastewater an...
Publication number
20130306542
Publication date
Nov 21, 2013
R. Lee Roberts
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL