U.S. Patent No.

Title

Issue Date

6,900,468 B2

Indium Chalcogenide, Gallium Chalcogenide, and Indium-Gallium Chalcogenide Phase-Change Medial for Ultra-High-Density Data-Storage Devices

May 31, 2005

5,993,531

Low Temperature Concrete Hardener

November 30, 1999

5,938,831

Water and UV Resistant Clear Coat Sealant and Finish for Wood Signs and Other Surfaces

August 17, 1999