Inventor

Roger D. Edwards

Inventor
Blackwater, VA, US

Overview

5→
Patents
1976–1997
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
G02BOptical elements, systems or apparatus22%
B41JTypewriters11%
G01DMeasuring not specially adapted for a specific variable11%
G05BControl or regulating systems in general11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1976Based in Gillette, NJ, US· patent location history
1980–1981Patents assigned to LEEDS & NORTHRUP LTD (2)· patent assignee history
1980–1981Based in Solihull, GB· patent location history
1997Patents assigned to EASTMAN CHEM CO (2)· patent assignee history
1997Based in Blackwater, VA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EASTMAN CHEM CO21997
LEEDS & NORTHRUP LTD21980–1981
BELL TELEPHONE LABOR INC11976
Locations
LocationPatentsSpan
Blackwater, Virginia, US21997
Solihull, GB21980–1981
Gillette, New Jersey, US11976