Patent Assignment
Reel/Frame 012230/0116
Assignment of Assignor's Interest
Recorded: 2001-09-28
Received: 2001-10-12
Pages: 3
Assignor
QIN, XUZHI
Executed: 2001-09-19
Assignee
VISION-EASE LENS, INC.
7000 SUNWOOD DRIVE NORTHWEST, RAMSEY, MN, 55303, UNITED STATES
Covered Property
(1)
Oxygen-Containing Heterocyclic Fused Naphthopyrans
Application:
09/957,403 →