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Inventor

Gary Siewell

Inventor
Albany, OR, US

Overview

2→
Patents
1985–1986
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.

B41Jprimary
B41JTypewriters100%
PatentTitleYear
4,578,687'Ink jet printhead having hydraulically separated orifices'19864,509,062'Ink reservoir with essentially constant negative back pressure'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to HEWLETT PACKARD CO (2)· patent assignee history
1985–1986Based in Albany, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD CO21985–1986
Locations
LocationPatentsSpan
Albany, OR, US21985–1986