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Inventor

Michael K. Eldershaw

Inventor
Nepean, CA

Overview

6→
Patents
1987–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

G06Fprimary
G06FElectric digital data processing25%
H03KPulse technique17%
H04MTelephonic communication17%
B29CShaping or joining of plastics8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
H01HElectric switches8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
7,852,626'Electronic device and tactile touch screen display'20107,630,200'Electronic device and tactile touch screen display'20095,311,656'Keypad method of manufacture'19944,937,877'Modular microphone assembly'1990D0291692'Stand for a telephone handset'1987D0291567'Stand for a telephone handset'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Patents assigned to NORTHERN TELECOM LTD (3)· patent assignee history
1987–1990Based in Nepean, CA· patent location history
1994Patents assigned to MITEL CORP (1)· patent assignee history
1994Based in Stittsville, CA· patent location history
2009–2010Patents assigned to RESEARCH IN MOTION LTD (2)· patent assignee history
2009–2010Based in Oakville, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHERN TELECOM LTD31987–1990
RESEARCH IN MOTION LTD22009–2010
MITEL CORP11994
Locations
LocationPatentsSpan
Nepean, CA31987–1990
Oakville, CA22009–2010
Stittsville, CA11994