LexDanaLexDanabeta
Inventor

John Kirwan

Inventor
Middleton, MA, US

Overview

2→
Patents
1985–1993
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.

A61Bprimary
A61BDiagnosis50%
B01DSeparation50%
PatentTitleYear
5,263,967'Medical instrument with dual action drive'19934,548,714'Semipermeable membrane cartridge for use with a pressure container'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to DESALINATION SYSTEMS (1)· patent assignee history
1985Based in Chula Vista, CA, US· patent location history
1993Patents assigned to BRIMFIELD PRECISION INC (1)· patent assignee history
1993Based in Middleton, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIMFIELD PRECISION INC11993
DESALINATION SYSTEMS11985
Locations
LocationPatentsSpan
Middleton, Massachusetts, US11993
Chula Vista, California, US11985