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Inventor

Robert G. Lavallee

Inventor
Ashland, MA, US

Overview

3→
Patents
1976–1983
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Bprimary
A61BDiagnosis50%
G02BOptical elements, systems or apparatus25%
G06GAnalogue computers25%
PatentTitleYear
4,386,611'Tonometer with improved fluid discharged tube'19833,978,414'Apparatus and method for taking the derivative of a slowly varying electrical signal'19763,947,099'Solid state color anomaloscope'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to AMERICAN OPTICAL CORP (2)· patent assignee history
1976Based in Ashland, MA, US· patent location history
1983Patents assigned to WARNER LAMBERT TECH (1)· patent assignee history
1983Based in Southbridge, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMERICAN OPTICAL CORP21976
WARNER LAMBERT TECH11983
Locations
LocationPatentsSpan
Ashland, Massachusetts, US21976
Southbridge, Massachusetts, US11983