Mark A. Stevens — 20 Patents at Opex

Mark A. Stevens has been granted 20 US patents while listed as an inventor at Opex. The first was granted in 1993 and the most recent in October 2021. Mark A. Stevens ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Mark A. Stevens in San Diego, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11141821	Automated screw driving machine	—	2021-10-12
10737558	Adjustable vehicle visor	—	2020-08-11
10370807	Collapsible perimeter barricade	Eric M. Stevens, Leo F. Stanko, Nevin J. Zimmerly, Dennis Kovach	2019-08-06
8668613	Offset compound gear inline two-speed drive	Robert Handschuh, David Lewicki	2014-03-11
8481976	Infrared fluorescing optical signature agent method for real time change detection	Leslie D. Kramer, Randy T. Pike	2013-07-09	$8,625,000
8253115	Infrared fluorescing optical signature agent for real time change detection	Leslie D. Kramer, Randy T. Pike	2012-08-28	$9,700,000
8091445	Offset compound gear inline two-speed drive	Robert Handschuh, David Lewicki	2012-01-10
7645972	High-speed readout of a wavefront sensor using position sensing device	Allen C. Layton	2010-01-12	$38,379,000
7326027	Devices and methods of operation thereof for providing stable flow for centrifugal compressors	Gary J. Skoch, Thomas A. Jett	2008-02-05
6547078	Automated mail extraction and remittance processing	William R. Lile, Albert F. Stevens, Robert R. DeWitt, Michael E. York, Roy E. Patterson	2003-04-15
6445808	Method and apparatus for detecting credit/debit cards in connection with the processing of bulk mail	William R. Lile, George Hayduchok	2002-09-03
6064023	Automated mail extraction and remittance processing	William R. Lile, Albert F. Stevens, Robert R. DeWitt, Michael E. York, Roy E. Patterson	2000-05-16
5842693	Automated mail extraction and remittance processing	Albert F. Stevens, Robert R. DeWitt, William R. Lile, Michael E. York, Jeffrey L. Chodack +1 more	1998-12-01
5842577	Method and apparatus for sorting and acquiring image data for documents	Albert F. Stevens, Robert R. DeWitt, George Hayduchok, Edward Cohen	1998-12-01
5649628	Method and apparatus for determining the orientation of a document	William R. Lile	1997-07-22
5540338	Method and apparatus for determining the orientation of a document	William R. Lile	1996-07-30
5518121	Method for automated mail extraction and remittance processing	Albert F. Stevens, Robert R. DeWitt, William R. Lile, Michael E. York, Jeffrey L. Chodack +1 more	1996-05-21
5397003	Method and apparatus for determining the orientation of a document	William R. Lile	1995-03-14
5310062	Apparatus for automated mail extraction and remittance processing	Albert F. Stevens, Robert R. DeWitt, William R. Lile, Michael E. York, Jeffrey L. Chodack +1 more	1994-05-10
5240116	Method and apparatus for determining the orientation of a document	William R. Lile	1993-08-31

Mark A. Stevens — 20 Patents

Patents per Year

Issued Patents All Time

Patent Widget