Inventor
GERHARDT TERRY D
US5 patents
⚠️ This page may combine multiple inventors who share the name “GERHARDT TERRY D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONOCO PRODUCTS CO
4 patentsUS5505395AApr 9, 1996
Multi-grade paperboard winding cores for yarns and films having enhanced resistance to inside diameter reduction
SONOCO PRODUCTS CO56 citations94
US5472154ADec 5, 1995
High spiral angle winding cores
SONOCO PRODUCTS CO39 citations88
US5393582AFeb 28, 1995
Enhanced crush strength construction multi-grade paperboard tubes
SONOCO PRODUCTS CO47 citations88
US5339693AAug 23, 1994
Apparatus and method for testing tubular products
SONOCO PRODUCTS CO24 citations84