Inventor

KUPFER SHANNON J

US3 patents

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

BOEING CO

2 patents

US7770949B2Aug 10, 2010

Reduced door opening force and enhanced security flight deck door mechanism

BOEING CO11 citations81

US6834520B2Dec 28, 2004

Dead bolt lock assembly for flight deck door of an aircraft

BOEING CO8 citations69

PIORKOWSKI MITCHELL J

1 patent

US8398025B2Mar 19, 2013

Avionic door lock system

PIORKOWSKI MITCHELL J5 citations61