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Inventor

David R. McDonald

Inventor
Ottawa, CA

Overview

9→
Patents
1994–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

C23Cprimary
C23CCoating metallic material15%
C04BLime, magnesia11%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
G06FElectric digital data processing7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H10DInorganic electric semiconductor devices7%
H10NElectric solid-state devices not otherwise provided for7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
G06VImage or video recognition or understanding4%
PatentTitleYear
8,925,102'System and method of generating encryption/decryption keys and encrypting/decrypting a derivative work'20148,782,803'System and method of encrypting a derivative work using a cipher created from its source'20147,966,722'Planarization method in the fabrication of a circuit'20117,136,513'Security identification system'2006D0496381'Enclosure for a security identification system'20046,337,032'Sol-gel precursor and method for formation of ferroelectric materials for integrated circuits'20026,066,581'Sol-gel precursor and method for formation of ferroelectric materials for integrated circuits'20005,728,603'Method of forming a crystalline ferroelectric dielectric material for an integrated circuit'19985,358,889'Formation of ruthenium oxide for integrated circuits'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to NORTHERN TELECOM LTD (2)· patent assignee history
1994–2014Based in Ottawa, CA· patent location history
2004–2006Patents assigned to PELCO (2)· patent assignee history
2004–2006Based in Prather, CA, US· patent location history
2011Based in Hillsboro, OR, US· patent location history
2014Patents assigned to LEGITMIX INC (2)· patent assignee history
2014Patents assigned to MCDONALD DAVID ROSS (2)· patent assignee history
2014Patents assigned to MCDONALD OMID ALLEN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEGITMIX INC22014
MCDONALD DAVID ROSSself22014
MCDONALD OMID ALLEN22014
NORTHERN TELECOM LTD21994–1998
PELCO22004–2006
Locations
LocationPatentsSpan
Ottawa, CA61994–2014
Prather, California, US22004–2006
Hillsboro, OR, US12011