Inventor

DRUMMOND JAMES

US4 patents

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

CHESSAR RYAN

2 patents

US8197489B2Jun 12, 2012

Knee ligament balancer

CHESSAR RYAN45 citations89

US8562617B2Oct 22, 2013

Knee ligament balancer

CHESSAR RYAN24 citations88

BROAD OF TRUSTEES OF THE UNIVE

1 patent

US7812815B2Oct 12, 2010

Compact haptic and augmented virtual reality system

BROAD OF TRUSTEES OF THE UNIVE163 citations88

HUGHES AIRCRAFT CO

1 patent

US5311137AMay 10, 1994

Liquid crystal electric field tester for circuit boards

HUGHES AIRCRAFT CO12 citations71