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Inventor

Doris M. Wong

Inventor
Pittsburgh, PA, US

Overview

8→
Patents
1991–1998
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

B67Dprimary
B67DDispensing, delivering or transferring liquids, not otherwise provided for75%
A61MDevices for introducing media into, or onto, the body25%
PatentTitleYear
5,724,965'Nasal mask'1998D0362061'Respiratory mask body'1995D0342776'Apparatus for diluting chemical concentrates used for cleaning purposes'1993D0339845'Dilution station bottle filling unit'1993D0339625'Apparatus for diluting chemical concentrates'19935,228,598'Dilution apparatus with full opened or fully closed valve'19935,083,677'Dilution station'19925,037,003'Dilution station'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to SCOTT PAPER CO (4)· patent assignee history
1991–1993Based in Pittsburgh, PA, US· patent location history
1993Patents assigned to BALLY ALEXANDER (2)· patent assignee history
1993Patents assigned to BRANDENBURG ALLEN E (2)· patent assignee history
1993Patents assigned to RUBENSTEIN JAMES M (2)· patent assignee history
1995–1998Patents assigned to RESPIRONICS INC (2)· patent assignee history
1995–1998Based in Trafford, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCOTT PAPER CO41991–1993
BALLY ALEXANDER21993
BRANDENBURG ALLEN E21993
RESPIRONICS INC21995–1998
RUBENSTEIN JAMES M21993
Locations
LocationPatentsSpan
Pittsburgh, Pennsylvania, US61991–1993
Trafford, Pennsylvania, US21995–1998