Heligraft Trademarks

HELIGRAFT
Vascular implants
Cancelled  ·  November 20, 2000  ·  76168675  · 
heligraft
HELIGRAFT
delivery system for implantation of fine particles in surgical procedures, namely a collagen tube filled with particulate matter for alveolar ridge augmentation
Abandoned  ·  May 22, 1991  ·  74168938  · 
HELIGRAFT
DELIVERY SYSTEM FOR IMPLANTATION OF FINE PARTICLES IN SURGICAL PROCEDURES, NAMELY, A COLLAGEN TUBE FILLED WITH PARTICULATE MATTER FOR ALVEOLAR RIDGE AUGMENTATION
Cancelled  ·  March 22, 1985  ·  73528302  ·