Patents received April 1:

• Helen of Troy Limited, for "Pullthru paper towel dispenser, No. 7,350,742." Inventors were Dino Anthony Mariano and Lisa Marlene Carvajal, both of Pittsburgh; and Eric Richard Colburn, Wexford. The present invention relates generally to paper towel holders, and more particularly to a paper towel holder that is adapted to be secured to a surface and which facilitates removal of one or more sheets of paper towels from a roll of paper towels with a pulling motion.

• Medrad Inc., for "Container for agitating and injecting a multicomponent medium, No. 7,351,221." Inventors were Frederick W. Trombley III, Gibsonia; Arthur E. Uber III, Pittsburgh; Edward J. Rhinehart, Monroeville; Rosemary Almon-Martin, Saxonburg; and Alan D. Hirschman, Glenshaw. The present invention relates generally to agitation devices and dispensing systems incorporating such agitation devices, and, more particularly, to agitation devices and dispensing systems (for example, injection systems) for use in connection with delivery of a multicomponent medium to a patient.

• Siemens Power Generation Inc., for "Method of manufacturing a hybrid structure, No. 7,351,364." Inventors were Jay A. Morrison, Oviedo, Fla.; Gary B. Merrill and Steven James Vance, both of Orlando, Fla.; and Michael A. Burke, Pittsburgh. This invention relates generally to the field of materials technology, and more particularly to the field of high temperature ceramics, and specifically to methods for manufacturing ceramics that can be used in the field of gas turbines.

• University of Pittsburgh, for "Thioflavin derivatives for use in the antemortem diagnosis of Alzheimer's disease and in vivo imaging and prevention of amyloid deposition, No. 7,351,401." Inventors were William E. Klunk and Chester A. Mathis Jr., both of Pittsburgh; and Yanming Wang, Imperial. The present invention relates to the identification of compounds that are suitable for imaging amyloid deposits in living patients. More specifically, the present invention relates to a method of imaging amyloid deposits in brain in vivo to allow antemortem diagnosis of Alzheimer's Disease. The present invention also relates to therapeutic uses for such compounds.

Douglas R. Olsen, Pawling, N.Y., and Charles D. Blumenschein, Pittsburgh, for "System and method for converting the spent remnants of a first pickling acid solution into a usable second pickling acid solution, No. 7,351,391." In general, the present invention relates to systems and methods that are used to regenerate spent acids. More particularly, the present invention relates to systems and methods that are used to regenerate acids used in the pickling of metal.