Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 6213765 | Orthodontic protraction appliance with head-chest bracing An orthodontic protraction appliance in which an upper portion of a vertically extending rod is supported against a patient's forehead, with the lower portion of the rod being supported against the patient's chest. An elastic support is coupled to a centr... | 04/10/2001 |