Richard L. Mitchell has been granted 17 US patents while listed as an inventor at Mark Resources . The first was granted in 1980 and the most recent in May 2018. Richard L. Mitchell ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Richard L. Mitchell in Lomita, CA, US.
Patents per Year Patents granted per year, 1980 to 2018 Bar chart with a peak of 2 patents in 1981. peak 2 1980: 1 patents 1980 1981: 2 patents 1983: 2 patents 1983 1984: 1 patents 1986: 1 patents 1986 1990: 1 patents 1991: 1 patents 1991 1993: 2 patents 2008: 1 patents 2008 2009: 1 patents 2013: 1 patents 2013 2017: 2 patents 2018: 1 patents 2018
Issued Patents All Time
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Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9983295 Direct sampling of received signals in radar — 2018-05-29
9696419 Marine radar based on cylindrical array antennas with other applications — 2017-07-04
9599704 Marine radar based on cylindrical array antennas with other applications — 2017-03-21
8416123 Radar system for continuous tracking of multiple objects August W. Rihaczek 2013-04-09
7626536 Non-scanning radar for detecting and tracking targets August W. Rihaczek 2009-12-01
7315276 Beam compression radar August W. Rihaczek 2008-01-01
5219739 DNA sequences encoding bVEGF120 and hVEGF121 and methods for the production of bovine and human vascular endothelial cell growth factors, bVEGF.sub.120 and hVEGF.sub.121 Edmund G. Tischer , Judith A. Abraham , John C. Fiddes 1993-06-15
$1,478,000
5194596 Production of vascular endothelial cell growth factor Edmund G. Tischer , Judith A. Abraham , John C. Fiddes 1993-03-16
$3,489,000
5042348 Compound miter saw Richard B. Brundage 1991-08-27
$16,649,000
4934233 Compound miter saw Richard B. Brundage 1990-06-19
$10,015,000
4613863 Electronic augmentation of radar targets — 1986-09-23
4427042 Power tool Richard B. Brundage , John A. Palmer 1984-01-24
$7,197,000
D268493 Switch key Thomas HERON 1983-04-05
4377540 Control of tubular film size Ronald D. Cluett 1983-03-22
4278117 Three dimensional duplicating carving machine Richard B. Brundage , Donald L. Blachly 1981-07-14
$15,577,000
D259235 Circular saw John E. Dibbern, Jr. , Robert I. Somers , Richard A. Schafebook 1981-05-19
4206837 Centrifugal clutch having electromagnetic release Henry Brown 1980-06-10
$4,720,000