Chairs and seats – Bottom or back – Contoured bottom
Patent
1997-08-25
2000-12-12
Nelson, Jr., Milton
Chairs and seats
Bottom or back
Contoured bottom
29745221, A47C 702
Patent
active
061588148
ABSTRACT:
A device for increasing comfort for a human in the sitting position that includes a unitary seat cushion having right and left side cushion portions for supporting the right and left innominate bones, respectively, of a user. Each right and left cushion portion has horizontal top and bottom walls that are separated by vertical distances, one of the vertical distances is preselected to be greater than the other vertical distance by a preselected distance that generally ranges between 1/16 inch and 1/8 inch.
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patent: 5105489 (1992-04-01), Meyer
patent: 5415460 (1995-05-01), Laney
patent: 5823618 (1998-10-01), Fox et al.
patent: 5833708 (1998-11-01), Czaplak
Callahan Edward
Jr. Milton Nelson
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