Inventor

John R. North

Inventor
Comox, CA

Overview

10→
Patents
1989–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 10 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes18%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
A61NElectrotherapy9%
A61QSpecific use of cosmetics or similar toiletry preparations9%
C07KPeptides9%
C12NMicroorganisms or enzymes5%
C12YEnzymes5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to NORTH JOHN R (2)· patent assignee history
1989Patents assigned to NOWINSKI STEFAN (1)· patent assignee history
1989–1994Based in Durrington, GB· patent location history
1991–1994Based in Salisbury, GB· patent location history
1993–1994Patents assigned to PORTON DIAGNOSTICS INC (3)· patent assignee history
1993Based in Agoura Hills, CA, US· patent location history
2006–2007Patents assigned to QUADRA LOGIC TECH INC (2)· patent assignee history
2006–2007Based in Vancouver, CA· patent location history
2017–2019Patents assigned to SOLIGENIX INC (2)· patent assignee history
2017–2019Based in Comox, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PORTON DIAGNOSTICS INC31993–1994
NORTH JOHN Rself21989
QUADRA LOGIC TECH INC22006–2007
SOLIGENIX INC22017–2019
NOWINSKI STEFAN11989
Locations
LocationPatentsSpan
Comox, CA22017–2019
Vancouver, CA22006–2007
Salisbury, GB21991–1994
Durrington, GB21989–1994
Agoura Hills, California, US11993