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Helmsderfer; John A.
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Cincinnati, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Child support device with slidable seat element
Patent number
6,074,007
Issue date
Jun 13, 2000
Helmsderfer; John A.
John A. Helmsderfer
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Baby diaper changing station with hidden hinge structure
Patent number
6,055,688
Issue date
May 2, 2000
Helmsderfer; John A.
John A. Helmsderfer
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Baby diaper changing station with integral flange structure
Patent number
6,032,310
Issue date
Mar 7, 2000
Helmsderfer; John A.
John A. Helmsderfer
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Child support device with removable seat element
Patent number
6,010,184
Issue date
Jan 4, 2000
Helmsderfer; John A.
Greg Lee
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Portion of a base for a baby diaper changing station
Patent number
D416155
Issue date
Nov 9, 1999
Helmsderfer; John A.
John A. Helmsderfer
D06 - Furnishings
Information
Patent Grant
Baby diaper changing station
Patent number
D412634
Issue date
Aug 10, 1999
Helmsderfer; John A.
John A. Helmsderfer
D06 - Furnishings
Information
Patent Grant
Platform for a baby diaper changing station
Patent number
D408190
Issue date
Apr 20, 1999
Helmsderfer; John A.
John A. Helmsderfer
D06 - Furnishings