RB

Roger L. Briggs

General Motors: 5 patents #3,082 of 18,328Top 20%
Overall (All Time): #993,664 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9714700 CVT pulley with engineered surface Martin S. Kramer, Ronald Buffa, Matthew P. Werner 2017-07-25
8701259 Main shaft remanufacturing Martin S. Kramer, Steven J. Ross 2014-04-22
8499447 Repair method for corroded engine cylinder head Martin S. Kramer 2013-08-06
7485044 Shaft assembly and method of manufacture thereof 2009-02-03
6675453 Method of remanufacturing a transmission assembly 2004-01-13