Inventor

Donald J. Freed

Inventor
Needham, MA, US

Overview

2→
Patents
1979–1986
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers50%
G08BSignalling systems, e.g. personal calling systems50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1979Based in Westfield, NJ, US· patent location history
1986Patents assigned to ICI AMERICA INC (1)· patent assignee history
1986Based in Needham, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BELL TELEPHONE LABOR INC11979
ICI AMERICA INC11986
Locations
LocationPatentsSpan
Needham, Massachusetts, US11986
Westfield, New Jersey, US11979