Membership
Tour
Register
Log in
David L. Teegardin
Follow
Person
San Diego, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacture of a drip irrigation hose
Patent number
6,936,126
Issue date
Aug 30, 2005
T-Systems International, Inc.
Michael DeFrank
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Method and apparatus for making a drip irrigation hose
Patent number
6,464,816
Issue date
Oct 15, 2002
T-Systems International, Inc.
Michael DeFrank
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pressure-compensating drip irrigation hose and method for its manuf...
Patent number
6,116,523
Issue date
Sep 12, 2000
T-Systems International, Inc.
Jaime Cabahug
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Drip irrigation hose and method for its manufacture
Patent number
5,865,377
Issue date
Feb 2, 1999
T-Systems International, Inc.
Michael DeFrank
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Drip irrigation hose and method for its manufacture
Patent number
5,634,595
Issue date
Jun 3, 1997
T-Systems International, Inc.
Michael DeFrank
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Drip irrigation hose and method for its manufacture
Patent number
5,522,551
Issue date
Jun 4, 1996
T-Systems International, Inc.
Michael DeFrank
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Drip irrigation hose and method for its manufacture
Publication number
20020174944
Publication date
Nov 28, 2002
Michael DeFrank
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...