David B. Knowles

City:

Appollo, Pennsylvania

Country:

United States

Published Applications:

Last publication date:

2012-08-23

Top Assignees for applications by David B. Knowles

The entities that hold a legal rights for patent applications filed by inventor Knowles David B.:

David B. Knowles from Appollo, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Photochromic materials that include 6-amino substituted indeno-fused naphthopyrans

InventorID:

3242150 ⎘