Inventor

Michael J. Birmingham

Inventor
London, GB

Overview

2→
Patents
1985–2015
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Bprimary
A61BDiagnosis33%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body33%
G06FElectric digital data processing33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to ASPEN LAB INC (1)· patent assignee history
1985Based in Denver, CO, US· patent location history
2015Patents assigned to METASWITCH NETWORKS LTD (1)· patent assignee history
2015Based in London, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASPEN LAB INC11985
METASWITCH NETWORKS LTD12015
Locations
LocationPatentsSpan
London, GB12015
Denver, CO, US11985