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Inventor

John Robertson

Inventor
Lambourn, GB

Overview

2→
Patents
1978–1992
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B24Dprimary
B24DTools for grinding, buffing or sharpening50%
B60CVehicle tyres50%
PatentTitleYear
5,094,671'Grinding tools'19924,121,644'Tire removal tool'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to BOYLE ELBERT I (1)· patent assignee history
1978Patents assigned to ROBERTSON JOHN H (1)· patent assignee history
1978Based in Cushing, OK, US· patent location history
1992Patents assigned to UNICORN IND PLC (1)· patent assignee history
1992Based in Lambourn, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOYLE ELBERT I11978
ROBERTSON JOHN Hself11978
UNICORN IND PLC11992
Locations
LocationPatentsSpan
Lambourn, GB11992
Cushing, OK, US11978