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Inventor

Steven Estergreen

Inventor
Mulino, OR, US

Overview

2→
Patents
1995–2011
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.

A61Mprimary
A61MDevices for introducing media into, or onto, the body17%
B01DSeparation17%
B41JTypewriters17%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact17%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application17%
G03GElectrography17%
PatentTitleYear
7,883,198'Rapid response one-way valve for high speed solid ink delivery'20115,468,449'Exchanger and method for manufacturing the same'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to COBE LAB (1)· patent assignee history
1995–2011Based in Mulino, OR, US· patent location history
2011Patents assigned to XEROX CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COBE LAB11995
XEROX CORP12011
Locations
LocationPatentsSpan
Mulino, OR, US21995–2011