GH

Gerard Helfrich

FA First Act: 7 patents #6 of 32Top 20%
Overall (All Time): #752,019 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7608769 Packaged drum set Mark S. Izen, Alexander Webb, Brian Archer, Michael Oppenheim 2009-10-27
7244883 Drum container Steve Lepke 2007-07-17
D541841 Castanet 2007-05-01
7087825 Musical instrument system Mark S. Izen 2006-08-08
D514927 Drumstick hanger package 2006-02-14
D506131 Drum box Mark S. Izen, Alexander Webb, Brian Archer, Michael Oppenheim 2005-06-14
D499020 Drum box Mark S. Izen, Alexander Webb, Brian Archer, Michael Oppenheim 2004-11-30