Inventor

James D. Greenfield

Inventor
Binghamton, NY, US

Overview

12→
Patents
1995–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television77%
G06FElectric digital data processing8%
G09BEducational or demonstration appliances8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2011Patents assigned to IBM (11)· patent assignee history
1995Patents assigned to Q CO INDUSTRIES (1)· patent assignee history
1995–2011Based in Binghamton, NY, US· patent location history
1995Based in New York, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM111995–2011
Q CO INDUSTRIES11995
Locations
LocationPatentsSpan
Binghamton, New York, US111995–2011
New York, New York, US11995