Robert M. Pettigrew

DG Dr. Johannes Heidenhain Gmbh: 4 patents #82 of 417Top 20%

PS Plasmon Data Systems: 3 patents #3 of 9Top 35%

SG Scientific Generics: 2 patents #4 of 55Top 8%

SL Synaptics (Uk) Limited: 2 patents #7 of 17Top 45%

PC Pa Management Consultants: 1 patents #1 of 11Top 10%

EG Esselte Meto International Produktions Gmbh: 1 patents #13 of 23Top 60%

IC ICI: 1 patents #1,088 of 2,189Top 50%

Overall (All Time): #156,315 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4486870	Optical data storage	John D. Bradbrook, Ronald C. Wainwright	1984-12-04