Inventor

Steven G. Campbell

Inventor

San Jose, CA, US

Overview

3→

Patents

1987–2021

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 3 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer25%

E05DHinges or suspension devices for doors, windows or wings13%

E05FDevices for moving wings into open or closed position13%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof13%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates13%

F25DRefrigerators13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

PatentTitleYear

11,085,230Insulated doors with restorable breakaway sections2021 4,783,705'High capacity disk file with embedded sector servo and SCSI interface'1988 4,669,004'High capacity disk file with embedded sector servo'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to QUANTUM CORP (2)· patent assignee history

1987–1988Based in San Jose, CA, US· patent location history

2021Patents assigned to RITE HITE HOLDING CORP (1)· patent assignee history

2021Based in Peosta, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
QUANTUM CORP	2	1987–1988
RITE HITE HOLDING CORP	1	2021

Locations

Location	Patents	Span
San Jose, California, US	2	1987–1988
Peosta, IA, US	1	2021