RM

Robert A. Marra

AA Aluminum Company Of America: 4 patents #149 of 1,017Top 15%
📍 Penn Hills, PA: #28 of 88 inventorsTop 35%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,277,865 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6309994 Fiber reinforced composite having an aluminum phosphate bonded matrix Donald J. Bray, G. Edward Graddy, Jr., Siba P. Ray 2001-10-30
5371050 Aluminum phosphate bonded fiber reinforced composite material containing metal coated fibers David L. Belitskus, Daniel J. Boland, W. Thomas Evans, William P. Kampert, Larry F. Wieserman 1994-12-06
5194202 Formation of ceramic-metal composite by pressure casting and oxidation sintering David I. Yun, Thomas B. Gurganus, P. Victor Kelsey 1993-03-16
4678657 Production of high purity substantially spherical metal hydroxide/oxide particles from the hydrolysis of a metal alkoxide aerosol using metal hydroxide/oxide seed nuclei Ajay Sood 1987-07-07