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Inventor

R. Stephen Mulder

Inventor
Tucson, AZ, US

Overview

9→
Patents
1981–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

F21Vprimary
F21VFunctional features or details of lighting devices or systems thereof17%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted17%
F21KNon-electric light sources using luminescence11%
LOC2611%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
A61FFilters implantable into blood vessels6%
C01BNon-metallic elements6%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation6%
F21SNon-portable lighting devices6%
G01MTesting static or dynamic balance of machines or structures6%
PatentTitleYear
9,534,743'Directional lamp with beam forming optical system including a lens and collecting reflector'20178,613,530'Compact light-mixing LED light engine and white LED lamp with narrow beam and high CRI using same'2013D0682462'Environmental chamber light cap'2013D0672082'LED light'20128,152,327'Focusing lens system'20127,921,849'Condom applicator'20116,856,389'Portable reflex comparator'20056,010,233'Automobile headlamp reflector'20004,299,803'Production of alkali metal phosphate solutions free from zinc'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Based in s'Gravenpolder, NL· patent location history
2000–2005Patents assigned to HALLMARK TECHNOLOGIES INC (2)· patent assignee history
2000–2005Based in Windsor, CA· patent location history
2011Based in Cape Town, ZA· patent location history
2012–2017Patents assigned to MULDER R STEPHEN (5)· patent assignee history
2012–2017Based in Tucson, AZ, US· patent location history
2012Based in Tuscson, AZ, US· patent location history
2013–2017Patents assigned to ALLEN GARY R (2)· patent assignee history
2013–2017Patents assigned to DUDIK DAVID C (2)· patent assignee history
2013–2017Patents assigned to KAMINSKI MARK E (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MULDER R STEPHENself52012–2017
ALLEN GARY R22013–2017
DUDIK DAVID C22013–2017
HALLMARK TECHNOLOGIES INC22000–2005
KAMINSKI MARK E22013–2017
Locations
LocationPatentsSpan
Tucson, AZ, US42012–2017
Windsor, CA22000–2005
Tuscson, AZ, US12012
Cape Town, ZA12011
s'Gravenpolder, NL11981