LandOfFree - US Patents - Listing for Chairs and seats,Bottom or back with means to alter contour,Providing support for lower back region

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Seat with spring-loaded lumbar support

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Seat, for automobiles or the like

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Seating unit including novel back construction

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Seating unit with adjustable lumbar device

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Seating unit with adjustable lumbar device

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Self adjusting seatback system

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Self adjusting seatback system

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Self-inflating cushion and valve therefor

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Self-inflating support device including curved memory plate

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Shape adjusting mechanism

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Shape-adjusting mechanism

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Shape-adjusting mechanism for backrest

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Shapeable wheelchair seatback assembly

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Simplified strap lumbar support device

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Single actuator four-way power lumbar

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Structure for anatomical support with frame and convex...

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Structure of a mesh back of a chair

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Support assembly and corresponding seat structure

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Support assembly for use with a wheelchair