David B. Knowies

City:

Apollo, Pennsylvania

Country:

United States

Published Applications:

Last publication date:

2013-03-14

Top Assignees for applications by David B. Knowies

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

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

Ophthalmic devices comprising photochromic materials having extended pi-conjugated systems

InventorID:

139216 ⎘