John Griffin has been granted 11 US patents while listed as an inventor at Frazer . The first was granted in 1982 and the most recent in December 2015. John Griffin ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list John Griffin in Salt Lake City, UT, US.
Patents per Year Patents granted per year, 1982 to 2015 Bar chart with a peak of 1 patents in 1982. peak 1 1982: 1 patents 1982 1984: 1 patents 1987: 1 patents 1987 1988: 1 patents 1989: 1 patents 1989 1994: 1 patents 1997: 1 patents 1997 2001: 1 patents 2002: 1 patents 2002 2007: 1 patents 2015: 1 patents 2015
Issued Patents All Time
Profile Widget
Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9208346 Persona-notitia intellection codifier Lance Douglas Pitt , Gordon John Hines 2015-12-08
$1,292,000
7293532 Heavy oil extraction system Aldon R. Reinhardt 2007-11-13
6462479 Vehicle headlamp system — 2002-10-08
6208737 Method and apparatus for television signal scrambling using the replacement of synchronizing and color subcarrier signals with an alternative time base inherent in a QPSK audio subcarrier — 2001-03-27
5606612 Method and apparatus for television signal scrambling using a line expansion technique David Grubb , Jeffrey S. Hamilton 1997-02-25
$15,586,000
5321748 Method and apparatus for television signal scrambling using block shuffling David E. Zeidler 1994-06-14
$8,208,000
4815129 Video encryption system David Grubb , Joseph B. Glaab 1989-03-21
$3,726,000
4785227 Mobile emergency medical vehicle — 1988-11-15
4672296 Mobile emergency medical vehicle with auxiliary engine/generator providing AC/DC output — 1987-06-09
D274801 Tracked vehicle for off road use James A. Thompson , Michael G. Beeley 1984-07-24
D262973 Mining vehicle T. Daryl Hatch 1982-02-09