Inventor

COPELAND II DAVID JAMES

US4 patents

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

YALE SECURITY INC

2 patents

US7971316B2Jul 5, 2011

Door closer assembly

YALE SECURITY INC48 citations96

US9399884B2Jul 26, 2016

Door closer assembly

YALE SECURITY INC2 citations61

CHICAGO PNEUMATIC TOOL CO

1 patent

USD493085SJul 20, 2004

Power tool

CHICAGO PNEUMATIC TOOL CO53 citations94

COPELAND II DAVID JAMES

1 patent

US8600567B2Dec 3, 2013

Door closer assembly

COPELAND II DAVID JAMES9 citations78