Grassens; Leonardus J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Grassens; Leonardus J..The latest application filed is for "optical actuator assembly with lens position sensor for recording or playback".

Company Profile

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Grassens; Leonardus J. - Chipita Park CO
Grassens; Leonardus J. - Monument CO
Grassens; Leonardus J. - Loveland CO
Grassens; Leonardus J. - Colorado Springs CO

*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
Optical actuator assembly with lens position sensor for recording or playback Grant 6,532,199 - Getreuer , et al. March 11, 2	2003-03-11
Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs Grant 6,266,306 - Schell , et al. July 24, 2	2001-07-24
Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same Grant 6,141,300 - Getreuer , et al. October 31, 2	2000-10-31
Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same Grant 6,122,232 - Schell , et al. September 19, 2	2000-09-19
Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal Grant 5,729,511 - Schell , et al. March 17, 1	1998-03-17
Method and apparatus for manufacturing information storage devices Grant 5,708,633 - Hollen , et al. January 13, 1	1998-01-13
Seek actuator for optical recording Grant 5,532,989 - Getreuer , et al. July 2, 1	1996-07-02
Flexure suspension for two axis actuator Grant 5,313,332 - Schell , et al. May 17, 1	1994-05-17
Seek actuator for optical recording Grant 5,265,079 - Getreuer , et al. November 23, 1	1993-11-23
Two-axis moving coil actuator Grant 5,177,640 - Grassens January 5, 1	1993-01-05
Two axis electromagnetic actuator Grant 5,136,558 - Getreuer , et al. August 4, 1	1992-08-04
Actuator assembly for optical disk systems Grant 4,945,526 - Jansen , et al. July 31, 1	1990-07-31
Patient support system for radiotherapy Grant 4,885,998 - Span , et al. December 12, 1	1989-12-12
Mechanical shock mount system for electrical apparatus Grant 4,683,520 - Grassens , et al. July 28, 1	1987-07-28

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