Membership
Tour
Register
Log in
Andrea Hartfelder
Follow
Person
Orchard Lake, MI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Sump sprinkler control system
Patent number
8,857,730
Issue date
Oct 14, 2014
M.E.C. Systems
David Hartfelder
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
BUILDING FOUNDATION DRAINAGE GROUND WATER SUPPLY AND USE SYSTEM
Publication number
20180168119
Publication date
Jun 21, 2018
M.E.C. Systems
David Hartfelder
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
SUMP SPRINKLER CONTROL SYSTEM
Publication number
20130200171
Publication date
Aug 8, 2013
M.E.C. Systems
David Hartfelder
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
SUMP SPRINKLER CONTROL SYSTEM
Publication number
20120325923
Publication date
Dec 27, 2012
David Hartfelder
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING