Inventor

Richard L. Wixson

Inventor
Evanston, IL, US

Overview

6→
Patents
1990–1999
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels26%
A61BDiagnosis16%
A61LMethods or apparatus for sterilising materials or objects in general16%
B01FMixing, e.g. dissolving, emulsifying or dispersing16%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons11%
A61KPreparations for medical, dental or toiletry purposes5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to DHD MEDICAL PRODUCTS (1)· patent assignee history
1990–1997Based in Evanston, IL, US· patent location history
1995–1998Patents assigned to STRYKER CORP (2)· patent assignee history
1996–1999Patents assigned to UNIV NORTHWESTERN (3)· patent assignee history
1998–1999Based in Chicago, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV NORTHWESTERN31996–1999
STRYKER CORP21995–1998
DHD MEDICAL PRODUCTS11990
Locations
LocationPatentsSpan
Evanston, Illinois, US41990–1997
Chicago, Illinois, US21998–1999