Inventor

ARMSTRONG DAVID N

US10 patents

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

ARMSTRONG DAVID N

5 patents

US9521996B2Dec 20, 2016

Surgical retractor device

ARMSTRONG DAVID N1,051 citations97

US7037314B2May 2, 2006

Multiple band ligator and anoscope system and method for using same

ARMSTRONG DAVID N1,106 citations97

US7645229B2Jan 12, 2010

Instrument and method for endoscopic visualization and treatment of anorectal fistula

ARMSTRONG DAVID N88 citations96

US8764791B2Jul 1, 2014

Implantable graft to close a fistula

ARMSTRONG DAVID N9 citations82

US8501217B2Aug 6, 2013

Implantable graft to close a fistula

ARMSTRONG DAVID N4 citations70

COOK BIOTECH INC

2 patents

US9456815B2Oct 4, 2016

Implantable graft to close a fistula

COOK BIOTECH INC7 citations84

US8840917B2Sep 23, 2014

Implantable graft to close a fistula

COOK BIOTECH INC5 citations84

(unassigned)

1 patent

US6577240B2Jun 10, 2003

Hand antiseptic system and method

136 citations96

COOK INC

1 patent

US7897167B2Mar 1, 2011

Implantable graft to close a fistula

COOK INC15 citations92

COOK MEDICAL TECHNOLOGIES LLC

1 patent

US9526484B2Dec 27, 2016

Implantable graft to close a fistula

COOK MEDICAL TECHNOLOGIES LLC5 citations72