MT

Michael Tzivanis

CG Callaway Golf: 2 patents #209 of 359Top 60%
Overall (All Time): #2,111,614 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8012044 Multi-layer golf ball Thomas J. Kennedy, III, Viktor Keller, William M. Risen, Jr., Mark L. Binette, John L. Nealon 2011-09-06
7674191 Multi-layer golf ball Thomas J. Kennedy, III, Viktor Keller, William M. Risen, Jr., Mark L. Binette, John L. Nealon 2010-03-09