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Inventor

William E. Levene

Inventor
Austin, TX, US

Overview

3→
Patents
1994–2000
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Mprimary
H04MTelephonic communication75%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
PatentTitleYear
6,091,812'Apparatus and method for automatically switching a headset between a telephone and a second audio source'20005,359,648'Escape sequence using monitoring of control signal states'19945,345,495'Data diagnostics with leds on the face of a telephone'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to ROLM CO (2)· patent assignee history
1994–2000Based in Austin, TX, US· patent location history
2000Patents assigned to SIEMENS INF & COMM NETWORKS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROLM CO21994
SIEMENS INF & COMM NETWORKS12000
Locations
LocationPatentsSpan
Austin, Texas, US31994–2000