Membership
Tour
Register
Log in
The Hanson Group Ltd.
Follow
Organization
Ludlow, MA, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Heated plastic flow control valve
Patent number
5,012,839
Issue date
May 7, 1991
The Hanson Group Ltd.
David J. Rogers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74230068 - E-THERM
Serial number
74230068
Filing date
Dec 13, 1991
HANSON GROUP, LTD., THE
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
74230067 - PROTHERM
Serial number
74230067
Filing date
Dec 13, 1991
HANSON GROUP, LTD., THE
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
74230069 - ENVIROTHERM
Serial number
74230069
Filing date
Dec 13, 1991
HANSON GROUP, LTD., THE
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
74222110 - KOPATHERM
Serial number
74222110
Filing date
Nov 18, 1991
HANSON GROUP, LTD., THE
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes