David Kopans — 7 Patents at Pf Loop

David Kopans has been granted 7 US patents while listed as an inventor at Pf Loop. The first was granted in 2000 and the most recent in September 2020. David Kopans ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David Kopans in Arlington, MA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
10771415	Computer system and method for adding attributes to an electronic message on behalf of the messages sender	—	2020-09-08
10361979	Computer system and method for adding attributes to an electronic message on behalf of the message's sender	—	2019-07-23
10099131	Computer system and method for generating, exchanging, and valuing social currency	—	2018-10-16
9737809	Computer system and method for generating, exchanging, and valuing social currency	—	2017-08-22
9463383	Computer system and method for generating, exchanging, and valuing social currency	—	2016-10-11
6421709	E-mail filter and method thereof	William B. McCormick, George Stojanoff	2002-07-16
6023723	Method and system for filtering unwanted junk e-mail utilizing a plurality of filtering mechanisms	William B. McCormick	2000-02-08

David Kopans — 7 Patents

Issued Patents All Time

Patent Widget