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Inventor

John Zowtiak

Inventor
Coto de Caza, CA, US

Overview

4→
Patents
1990–2002
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body50%
F16KValves17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,386,200'Bi-functional in-line phonation valve'20026,334,441'Phonation valve for breathing tube'20026,189,534'Bi-functional in-line phonation valve'20014,960,708'Pressurized packaged reference liquid for blood gas analysis'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to BAXTER INT (1)· patent assignee history
1990Based in Mission Viejo, CA, US· patent location history
2001–2002Patents assigned to MALLINCKRODT INC (2)· patent assignee history
2001–2002Based in Coto de Caza, CA, US· patent location history
2002Patents assigned to MALLINCKRODT MEDICAL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MALLINCKRODT INC22001–2002
BAXTER INT11990
MALLINCKRODT MEDICAL INC12002
Locations
LocationPatentsSpan
Coto de Caza, California, US32001–2002
Mission Viejo, California, US11990