Zweifel; Ronald A

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zweifel; Ronald A.The latest application filed is for "methods and systems for locating and identifying labware radio-frequency identification tags".

Company Profile

0.6.8

Zweifel; Ronald A - Naperville IL
Zweifel; Ronald A. - Naperville IL
Zweifel; Ronald A. - LaGrange IL

*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 systems for locating and identifying labware radio-frequency identification tags Grant 8,115,599 - Harazin , et al. February 14, 2	2012-02-14
Method and apparatus to reject electrical interference in a capacitive liquid level sensor system Grant 7,836,763 - Harazin , et al. November 23, 2	2010-11-23
Methods And Systems For Locating And Identifying Labware Radio-frequency Identification Tags App 20090015430 - Harazin; Richard R. ; et al.	2009-01-15
Method And Apparatus To Reject Electrical Interference In A Capacitive Liquid Level Sensor System App 20090000374 - Harazin; Richard R. ; et al.	2009-01-01
Methods and systems for locating and identifying labware using radio-frequency identification tags Grant 7,411,508 - Harazin , et al. August 12, 2	2008-08-12
Method and apparatus to reject electrical interference in a capacitive liquid level sensor system App 20070137315 - Harazin; Richard R. ; et al.	2007-06-21
Method and apparatus to reject electrical interference in a capacitive liquid level sensor system Grant 7,191,647 - Harazin , et al. March 20, 2	2007-03-20
Methods and systems for locating and identifying labware using radio-frequency identification tags App 20070013541 - Harazin; Richard R. ; et al.	2007-01-18
Methods and systems for determining a position of a probe App 20060096396 - Harazin; Richard R. ; et al.	2006-05-11
Method and apparatus to reject electrical interference in a capacitive liquid level sensor system App 20050092080 - Harazin, Richard R. ; et al.	2005-05-05
Controlling microdrop dispensing apparatus App 20040185569 - Zweifel, Ronald A. ; et al.	2004-09-23
Microdrop dispensing apparatus App 20020106308 - Zweifel, Ronald A. ; et al.	2002-08-08
Capacitive sensing system and technique Grant 5,365,783 - Zweifel November 22, 1	1994-11-22
Apparatus and method for generating hydrogen and oxygen by electrolytic dissociation of water Grant 5,037,518 - Young , et al. August 6, 1	1991-08-06

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