Inventor

HENRYK BIRECKI

Inventor

Overview

2→

Patents

2022–2023

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

B41JTypewriters33%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

B42DBooks17%

G09GArrangements or circuits for control of indicating devices using static means to present variable information17%

PatentTitleYear

11,644,732Display device2023 11,390,091Writing electronic paper2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (2)· patent assignee history

2022–2023Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	2	2022–2023

Locations

Location	Patents	Span
US	2	2022–2023