Inventor

Richard E. Hannah

Inventor

Vista, CA, US

Overview

1981–2015

Patent span

Human necessities

Primary field (CPC A)

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

A61Mprimary

A61MDevices for introducing media into, or onto, the body35%

A61BDiagnosis22%

B29CShaping or joining of plastics9%

B29LIndexing scheme associated with subclass b29c, relating to particular articles9%

A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons4%

B01LChemical or physical laboratory apparatus for general use4%

F16KValves4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to BAXTER TRAVENOL LAB (4)· patent assignee history

1981–1983Based in Spring Grove, IL, US· patent location history

1981Based in Springrove, IL, US· patent location history

1988Based in Ganges, CA· patent location history

1994Patents assigned to PURITAN BENNETT CORP (2)· patent assignee history

1994–2015Based in Vista, CA, US· patent location history

2012–2015Patents assigned to HANNAH RICHARD (2)· patent assignee history

2012–2015Patents assigned to OVCHARCHYN STEPHEN (2)· patent assignee history

2012–2015Patents assigned to URESIL LLC (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations