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Inventor

Gerald W. Farnell

Inventor
Montreal, CA

Overview

3→
Patents
1988–1990
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G10Kprimary
G10KSound-producing devices43%
G01DMeasuring not specially adapted for a specific variable14%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
H03HImpedance networks, e.g. resonant circuits14%
PatentTitleYear
4,894,806'Ultrasonic imaging system using bundle of acoustic waveguides'19904,743,870'Longitudinal mode fiber acoustic waveguide with solid core and solid cladding'19884,742,318'Birefringent single-mode acoustic fiber'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1990Patents assigned to CANADIAN PATENTS DEV (3)· patent assignee history
1988–1990Based in Montreal, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANADIAN PATENTS DEV31988–1990
Locations
LocationPatentsSpan
Montreal, CA31988–1990