Dennis C Westphal

Inventor

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Work History

Patent OwnerApplications FiledYear
CERTAINTEED CORPORATION
1
1991
MI WINDOWS & DOORS, INC.
2
1
2000
2007
MIWINDOWS AND DOORS, INC.
1
2000
PLY GEM PACIFIC WINDOWS CORPORATION
10
54
7
9
1
1991
2000
2002
2003
2005

Inventor Addresses

AddressDuration
Galva, KSAug 03, 93 - Mar 22, 94
Lebanon, INSep 11, 08 - Sep 11, 08
Parma, MIOct 17, 00 - Mar 25, 08
Parma, MI, USJul 18, 02 - Jul 18, 02

Technology Profile

Technology # of Patents
E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 2
E04C: STRUCTURAL ELEMENTS; BUILDING MATERIALS 2
E06B: FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 4

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
2008/0216,4242008Window joining system3
D5651992008Window joining system2
D5038122005Sash with liftrail for a window0
D4958082004Picture window flush fin replacement frame sill5
D4909132004Picture window replacement frame sill4

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