Inventor

Barry Chapman

Inventor
Aberdeenshire, GB

Overview

4→
Patents
1999–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B62Bprimary
B62BHand-propelled vehicles, e.g. hand carts or perambulators20%
D21HPulp compositions20%
E21BEarth or rock drilling20%
LOC1220%
Y10TTechnical subjects covered by former us classification20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to ROVER GROUP (1)· patent assignee history
1999Based in Cambridgeshire, GB· patent location history
2011Patents assigned to INTERNATONAL PAPER COMPANY (1)· patent assignee history
2011Based in Germantown, TN, US· patent location history
2017Patents assigned to CHAPMAN BARRY GLENN (1)· patent assignee history
2017Based in Port Charlotte, FL, US· patent location history
2020Patents assigned to SPEX CORPORATE HOLDINGS LTD (1)· patent assignee history
2020Patents assigned to SPEX ENGINEERING UK LTD (1)· patent assignee history
2020Based in Aberdeenshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHAPMAN BARRY GLENNself12017
INTERNATONAL PAPER COMPANY12011
ROVER GROUP11999
SPEX CORPORATE HOLDINGS LTD12020
SPEX ENGINEERING UK LTD12020
Locations
LocationPatentsSpan
Aberdeenshire, GB12020
Port Charlotte, Florida, US12017
Germantown, TN, US12011
Cambridgeshire, GB11999