WB

William A. Berry

General Motors: 2 patents #336 of 1,592Top 25%
Overall (2023): #96,654 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11655776 Cylinder block casting slab core cast geometry for sawcut entrance enhancement Ronald J. Petrus, Richard M. Nichols, III, Brian C. Leuenhagen, Qigui Wang, James T. Singer 2023-05-23
11619255 System and method of making a crankshaft with alternate materials David C. Klemstine, Guirong Cao, Jianghuai Yang, Qigui Wang, Anil K. Sachdev +1 more 2023-04-04