Inventor

PERRA JOSEPH H

US4 patents

⚠️ This page may combine multiple inventors who share the name “PERRA JOSEPH H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DENIS FRANCIS

2 patents

US8075604B2Dec 13, 2011

Multi-thread bone screw and method

DENIS FRANCIS32 citations86

US9247976B2Feb 2, 2016

Multi-thread bone screw and method

DENIS FRANCIS1 citations46

WARSAW ORTHOPEDIC INC

2 patents

US11134994B2Oct 5, 2021

Spinal-correction system having threaded extender tabs and reduction tab extenders

WARSAW ORTHOPEDIC INC0 citations48

US11547460B2Jan 10, 2023

Variable-thickness-handle driver instrument

WARSAW ORTHOPEDIC INC0 citations46