Patent Assignment
Reel/Frame 040199/0825
Assignment of Assignor's Interest
Recorded: 2016-11-02
Pages: 5
Assignor
DURFEE, LAVERNE R.
Executed: 2016-11-01
Assignee
IRWIN INDUSTRIAL TOOL COMPANY
8935 NORTHPOINTE EXECUTIVE DRIVE, HUNTERSVILLE, NORTH CAROLINA, 28078
Covered Property
(1)
Step Drill Bit with Variable Helical Flute
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.