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Frank A. March
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Reston, VA, US
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last 30 patents
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Patent Grant
Method of making extruded plastic members
Patent number
5,937,521
Issue date
Aug 17, 1999
Seaward International, Inc.
Frank A. March
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Reinforced plastic piling and method and apparatus for making same
Patent number
5,658,519
Issue date
Aug 19, 1997
Seaward International, Inc.
Frank A. March
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Elongated structural member and method and appartus for making same
Patent number
5,650,224
Issue date
Jul 22, 1997
Seaward International, Inc.
Frank A. March
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Bottom tension fence-type water buoyant containment boom
Patent number
4,270,874
Issue date
Jun 2, 1981
Seaward International, Inc.
Frank A. March
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING