Michael I. Schaffer has been granted 8 US patents while listed as an inventor at Psychemedics . The first was granted in 2001 and the most recent in September 2025. Michael I. Schaffer ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Michael I. Schaffer in Los Angeles, CA, US.
Patents per Year Patents granted per year, 2001 to 2025 Bar chart with a peak of 1 patents in 2001. peak 1 2001: 1 patents 2001 2011: 1 patents 2011 2012: 1 patents 2012 2013: 1 patents 2013 2015: 1 patents 2015 2016: 1 patents 2016 2020: 1 patents 2020 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12429484 Homogeneous enzyme immunoassay for keratinized structures Gary Neil Stowe , Elvan Loni , Virginia Hill 2025-09-30
10539580 Solid phase multi-analyte assay Virginia Hill , Mohammad Atefi 2020-01-21
$571,000
9261522 Integrity testing of hair samples Virginia Hill , Elvan Loni , Gary Neil Stowe 2016-02-16
$734,000
8986939 Integrity testing of hair samples Virginia Hill , Elvan Loni , Gary Neil Stowe 2015-03-24
$690,000
8435747 Non-proteolytic method for the determination of analytes in keratinized structures Virginia Hill , Mohammad Atefi 2013-05-07
$396,000
8329417 Non-proteolytic method for the determination of analytes in keratinized structures Virginia Hill , Mohammad Atefi 2012-12-11
$347,000
8084215 Non-proteolytic method for the determination of analytes in keratinized structures Virginia Hill , Mohammad Atefi 2011-12-27
$418,000
6303384 Reagent and method for detecting an adulterant in an aqueous sample Susan Mills , John Novinski 2001-10-16
$80,433,000