« "Orthogonal defect classification..." by Chillaredge et al | Main | Method ... for delivering zinc to the nasal membrane »
February 22, 2004
Cloth book with rigid support
[United States Patent: 6,131,952] The support thing works, but if you aren't sitting a table it tends to just get in the way. The twins love to play with it at church.
Posted by jones at February 22, 2004 12:35 PM