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Inventor

Joseph T. Rivers

Inventor
West Chester, PA, US

Overview

3→
Patents
1977–1985
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.

Y10Tprimary
Y10TTechnical subjects covered by former us classification30%
A41DOuterwear20%
A62BDevices, apparatus or methods for life-saving20%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents10%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing10%
C08JWorking-up10%
PatentTitleYear
4,518,650'Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer'19854,469,744'Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer'19844,055,941'Integrated string'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1985Patents assigned to DU PONT (3)· patent assignee history
1977–1985Based in West Chester, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT31977–1985
Locations
LocationPatentsSpan
West Chester, Pennsylvania, US31977–1985