US6834835B1 (Active)
2004-06-07
ASSIGNMENT
Owner Name UNITED STATES AIR FORCE, OHIO
Free Format Text CONFIRMATORY LICENSE;ASSIGNOR:QORTEK, INC.;REEL/FRAME:015459/0798
Effective DATE 20040312
2004-12-08
ASSIGNMENT
Owner Name QORTEK, INC., PENNSYLVANIA
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KNOWLES, GARETH J.;BIRD, ROSS W.;REEL/FRAME:016052/0676
Effective DATE 20041202
2004-12-09
INFORMATION ON STATUS: PATENT GRANT
Free Format Text PATENTED CASE
2005-03-01
CERTIFICATE OF CORRECTION
2008-06-26
PAYMENT
Year of Fee Payment 4
2012-05-25
PAYMENT
Year of Fee Payment 8
2016-04-26
PAYMENT
Year of Fee Payment 12