Hartwick; Darrell J

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hartwick; Darrell J.The latest application filed is for "methods and mechanisms for the adjustment of stiffness in various equipment and devices".

Company Profile

0.6.6

Hartwick; Darrell J - Newton MA
Hartwick; Darrell J. - Newton MA
Hartwick; Darrell J. - Brighton MA

*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
Methods and mechanisms for the adjustment of stiffness in various equipment and devices Grant 9,249,849 - Hartwick February 2, 2	2016-02-02
Methods and Mechanisms for the Adjustment of Stiffness in Various Equipment and Devices App 20140265078 - Hartwick; Darrell J	2014-09-18
Compact endoscope Grant 7,530,946 - Hartwick May 12, 2	2009-05-12
Disposable Endoscope App 20090099417 - HARTWICK; Darrell J.	2009-04-16
Disposable endoscope App 20050038320 - Hartwick, Darrell J.	2005-02-17
method of sequentially firing staples using springs and a rotary or linear shutter Grant 6,742,692 - Hartwick June 1, 2	2004-06-01
Method of sequentially firing staples using springs and a rotary or linear shutter App 20030192936 - Hartwick, Darrell J.	2003-10-16
Method of sequentially firing staples using springs and a rotary or linear shutter Grant 6,578,751 - Hartwick June 17, 2	2003-06-17
Method Of Sequentially Firing Staples Using Springs And A Rotary Or Linear Shutter App 20030057251 - Hartwick, Darrell J.	2003-03-27

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