Inventor

Stephen M. Martin

Inventor
Roswell, GA, US

Overview

9→
Patents
1977–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes33%
A61LMethods or apparatus for sterilising materials or objects in general33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
B01DSeparation6%
G04GElectronic time-pieces6%
G08BSignalling systems, e.g. personal calling systems6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1979Patents assigned to FAIRCHILD CAMERA INSTR CO (2)· patent assignee history
1977–1979Based in Pleasanton, CA, US· patent location history
1996–1997Patents assigned to CIBA GEIGY CORP (3)· patent assignee history
1996–1999Based in Roswell, GA, US· patent location history
1998–1999Patents assigned to CIBA VISION CORP (3)· patent assignee history
2019Patents assigned to DONALDSON CO INC (1)· patent assignee history
2019Based in White Bear Lake, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIBA GEIGY CORP31996–1997
CIBA VISION CORP31998–1999
FAIRCHILD CAMERA INSTR CO21977–1979
DONALDSON CO INC12019
Locations
LocationPatentsSpan
Roswell, Georgia, US61996–1999
Pleasanton, California, US21977–1979
White Bear Lake, Minnesota, US12019