Inventor

Howard W. Francis

Inventor
Baltimore, MD, US

Overview

6→
Patents
2017–2020
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.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers50%
A61BDiagnosis25%
A61FFilters implantable into blood vessels25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2020Patents assigned to UNIV JOHNS HOPKINS (6)· patent assignee history
2017–2020Based in Baltimore, MD, US· patent location history
2018Based in Batimore, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV JOHNS HOPKINS62017–2020
Locations
LocationPatentsSpan
Baltimore, Maryland, US52017–2020
Batimore, Maryland, US12018