LexDanaLexDanabeta
Inventor

Ronald J. Callahan

Inventor
Boston, MA, US

Overview

4→
Patents
1983–2015
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body50%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons25%
A61KPreparations for medical, dental or toiletry purposes25%
PatentTitleYear
9,114,049'Rotating platform for wheelchair bound people'20155,605,672'Blood pool imaging composition and method of its use'19974,471,765'Apparatus for radiolabeling red blood cells'19844,372,294'Method and apparatus for radiolabeling red blood cells'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1984Patents assigned to MASSACHUSETTS GEN HOSPITAL (2)· patent assignee history
1983–1997Based in Boston, MA, US· patent location history
1997Patents assigned to GEN HOSPITAL CORP (1)· patent assignee history
2015Patents assigned to CALLAHAN RONALD J (1)· patent assignee history
2015Based in Poughkeepsie, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MASSACHUSETTS GEN HOSPITAL21983–1984
CALLAHAN RONALD Jself12015
GEN HOSPITAL CORP11997
Locations
LocationPatentsSpan
Boston, Massachusetts, US31983–1997
Poughkeepsie, New York, US12015