Kerry D. Severs

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St. Peters, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for installing a flexible cured in place lateral seal in...
- Patent number 6,520,719
- Issue date Feb 18, 2003
- Insituform (Netherlands) B.V.
- John Tweedie
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of installation of a flexible cured in place lateral seal in...
- Patent number 6,068,725
- Issue date May 30, 2000
- Insituform (Netherlands) B.V.
- John Tweedie
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for installing a flexible cured in place lateral seal in...
- Patent number 6,029,726
- Issue date Feb 29, 2000
- Insituform (Netherlands) B.V.
- John Tweedie
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL