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Inventor

John M. Donaldson

Inventor
Fife, GB

Overview

2→
Patents
1984–2012
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A62Bprimary
A62BDevices, apparatus or methods for life-saving33%
B63GOffensive or defensive arrangements on vessels33%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves33%
PatentTitleYear
8,111,581'Monitoring system for a ship\'S radiated noise'20124,457,400'Emergency descent device'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to GERNNIMO IND LTD (1)· patent assignee history
1984Based in Grosse Pointe Park, MI, US· patent location history
2012Patents assigned to DONALDSON JOHN MARSHALL (1)· patent assignee history
2012Patents assigned to DUNCAN GEORGE ALEXANDER (1)· patent assignee history
2012Patents assigned to MILLAR STUART LAWSON (1)· patent assignee history
2012Patents assigned to MOODY MARTIN JOHN (1)· patent assignee history
2012Based in Fife, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DONALDSON JOHN MARSHALLself12012
DUNCAN GEORGE ALEXANDER12012
GERNNIMO IND LTD11984
MILLAR STUART LAWSON12012
MOODY MARTIN JOHN12012
Locations
LocationPatentsSpan
Fife, GB12012
Grosse Pointe Park, MI, US11984