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Inventor

Douglas B. Tiffany

Inventor
Danvers, MA, US

Overview

5→
Patents
1981–1989
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
B01DSeparation17%
LOCD217%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
4,832,851'Centrifugal force-enhanced filtration of fluids'19894,810,392'Sample dispensing system for liquid chromatography'19894,734,190'Sample dispensing system for liquid chromatography'1988D0275788'Diagnostic test device'1984D0259254'Diagnostic test device'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to AMERICAN HOME PROD (2)· patent assignee history
1981–1984Based in Beverly, MA, US· patent location history
1988–1989Patents assigned to GRACE W R & CO (3)· patent assignee history
1988–1989Based in Danvers, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GRACE W R & CO31988–1989
AMERICAN HOME PROD21981–1984
Locations
LocationPatentsSpan
Danvers, Massachusetts, US31988–1989
Beverly, Massachusetts, US21981–1984