Purkett; John C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Purkett; John C..The latest application filed is for "seam to seam embedded runout correction propagation".

Company Profile

0.8.1

Purkett; John C. - Longmont CO
Purkett; John C. - Rochester MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Impedance mitigation of a microactuator conductive joint Grant 8,891,200 - Purkett , et al. November 18, 2	2014-11-18
Seam to seam embedded runout correction propagation Grant 7,561,370 - Melrose , et al. July 14, 2	2009-07-14
Seam To Seam Embedded Runout Correction Propagation App 20090059420 - MELROSE; THOMAS O. ; et al.	2009-03-05
Method and apparatus for reducing effective track width through highly skewed head angles Grant 7,193,807 - Liikanen , et al. March 20, 2	2007-03-20
Transducer head with separate data and servo read elements Grant 6,606,216 - Liikanen , et al. August 12, 2	2003-08-12
Method of correcting a read error in a disk drive Grant 6,332,207 - Southerland , et al. December 18, 2	2001-12-18
System and method of encoding an index mark into a servo address Grant 6,104,558 - Greenberg , et al. August 15, 2	2000-08-15
Pulsed current velocity controlled head load method and apparatus which uses the back EMF to control the generation of head actuator driving pulses Grant 5,615,064 - Blank , et al. March 25, 1	1997-03-25
System and method for encoding a servo address Grant 5,596,460 - Greenberg , et al. January 21, 1	1997-01-21

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