John Evans — 24 Patents at 3Com

John Evans has been granted 24 US patents while listed as an inventor at 3Com. The first was granted in 1995 and the most recent in December 2021. John Evans ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list John Evans in Bethesda, MD, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11210924	Systems and methods for alerting users to device low battery states	Mariya Wright	2021-12-28	$16,876,000
9641681	Methods and systems for determining conversation quality	Yonathan Nuta, James William Palmer, Etienne Manderscheid, Cynthia Henderson	2017-05-02
9176592	System for, and method of, configuring electro-optical reader as a keyboard device having a selected keyboard layout	Yu Sun, Dayou Wang, Ke Zhang	2015-11-03
8876005	Arrangement for and method of managing a soft keyboard on a mobile terminal connected with a handheld electro-optical reader via a bluetooth® paired connection	Mariya Wright	2014-11-04
8517272	Method to differentiate aiming from active decoding	Frank Y. Wu	2013-08-27
8472614	Attenuation and termination circuit using impedance synthesis	Spiro Poulis, Shayne Messerly	2013-06-25	$14,788,000
8444847	Low voltage electrolysis of water	Craig E. Evans, Brian Evans, John C. Evans, Randy Allan Evans, Todd E. Starner	2013-05-21
7660408	Attenuation and termination circuit using impedance synthesis	Spiro Poulis, Shayne Messerly	2010-02-09	$12,234,000
7200680	Method, apparatus and system for providing multimedia messages to incompatible terminals	David Oren, Karl E. Schwarz, Peter L. Squillante	2007-04-03	$5,667,000
6859051	Systems and methods for impedance synthesis	Spiro Poulis, Shayne Messerly	2005-02-22	$12,046,000
6700387	Systems and methods for impedance synthesis	Spiro Poulis, Shayne Messerly	2004-03-02	$4,911,000
6697485	Data signal attenuator and systems and methods for using same	Spiro Poulis, Shayne Messerly	2004-02-24	$5,554,000
6654461	Synthesized telephone line ring signal impedance termination	Spiro Poulis	2003-11-25	$5,575,000
6573729	Systems and methods for impedance synthesis	Spiro Poulis, Shayne Messerly	2003-06-03	$2,818,000
6567472	System and method for terminating a line by reflecting a scaled impedance	Spiro Poulis	2003-05-20	$3,662,000
6542358	Retractable platform with wireless electrical interface	Ryan Kunz, Tim Urry Price, Steven Lo Forte	2003-04-01	$4,351,000
6456665	Partial modification of a nominal impedance using digital impedance synthesis	Sprio Poulis, Shayne Messerly	2002-09-24	$3,329,000
6377667	Telephone line-assist powered apparatus with programmable hold current	Spiro Poulis, Shane Messerly	2002-04-23	$3,906,000
6338077	Transfer function implementation using digital impedance synthesis	Spiro Poulis, Shayne Messerly	2002-01-08	$10,565,000
6307880	Method and system for externally incorporating automatic switching between voice and data communications	Shayne Messerly	2001-10-23	$7,899,000
6283773	Media jack with external fuse access	Tim Urry Price, Thomas A. Johnson	2001-09-04	$3,665,000
6219732	Apparatus and method for wireless communication between a host and a selectively removable module electrically connected to the host	James B. Henrie, Minh Truong	2001-04-17	$4,490,000
5485779	Device for selectively pressurizing or evacuating a chamber with an oscillating air source by metering air through a valve system and a device for drawing into, retaining and evacuating material from a chamber	Robert Evans	1996-01-23
5394789	Manually operable device for metering air through a valve system for drawing into, retaining and evacuating material from a chamber	Robert Evans	1995-03-07

John Evans — 24 Patents

Issued Patents All Time

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