Inventor

Michael L. Marshall

Inventor
Washington, DC, US

Overview

26→
Patents
1989–2020
Patent span
Physics
Primary field (CPC G)

Patents· 26 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus11%
G02CSpectacles11%
C23CCoating metallic material7%
G06FElectric digital data processing7%
C11DDetergent compositions6%
Y10TTechnical subjects covered by former us classification6%
B01LChemical or physical laboratory apparatus for general use4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
H04LTransmission of digital information, e.g. telegraphic communication4%
H05KPrinted circuits4%
PatentTitleYear
10,845,505Anti-static, anti-reflective coating202010,732,334Optical filter with selective transmittance and reflectance202010,444,538Index matching layers201910,386,654Ophthalmic lens with graded microlenses201910,317,701Crazing resistant coating and method thereof201910,279,490Utility knife with pivoting head assembly2019D0846965Utility knife201910,222,524Optical filter with selective transmittance and reflectance20199,745,152'Impact buffer'2017D0784108'Utility knife'20178,949,665'Integrated bus controller and power supply device for use in a process control system'20158,496,878'Diluent wells produced in card format for immunodiagnostic testing'20138,379,382'Docking station'20138,307,549'Method of making an electrical circuit'20128,226,536'Split spin centrifugation of test elements'2012D0662938'Docking station'20128,187,538'Diluent wells produced in card format for immunodiagnostic testing'20128,092,361'Split spin centrifugation of test elements'2012D0643842'Docking station'20117,304,027'Phase-stable concentrated fabric softeners containing borates'20076,912,671'Wiring fault detection, diagnosis and reporting for process control systems'20056,699,374'Low temperature cathodic magnetron sputtering'20046,001,788'Personal use soap bar compositions containing cationic polymers'19995,576,935'Common circuit board connectable to multiple alternative single-sided expansion boards'19965,489,084'Method of configuring a carpet roll'19964,879,063'Process for making translucent soap bars'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2007Based in Scottsdale, AZ, US· patent location history
1996–2019Based in Washington, DC, US· patent location history
2005–2015Based in Georgetown, TX, US· patent location history
2012–2019Patents assigned to MARSHALL MICHAEL L (9)· patent assignee history
2012–2013Patents assigned to ATTERBURY WILLIAM G (4)· patent assignee history
2012–2013Patents assigned to BOYD DOUGLAS E (4)· patent assignee history
2012–2013Patents assigned to ORTHO CLINICAL DIAGNOSTICS INC (4)· patent assignee history
2012–2013Based in Powell, OH, US· patent location history
2019–2020Patents assigned to VISION EASE LP (6)· patent assignee history
2019–2020Based in Andover, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MARSHALL MICHAEL Lself92012–2019
VISION EASE LP62019–2020
ATTERBURY WILLIAM G42012–2013
BOYD DOUGLAS E42012–2013
ORTHO CLINICAL DIAGNOSTICS INC42012–2013
Locations
LocationPatentsSpan
Washington, DC, US71996–2019
Andover, Minnesota, US62019–2020
Powell, OH, US42012–2013
Scottsdale, AZ, US31989–2007
Georgetown, Texas, US22005–2015