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Inventor

Charles Stephens

Inventor
Madison, WI, US

Overview

2→
Patents
2004–2016
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.

A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons50%
LOC1250%
PatentTitleYear
9,271,886'Reactive headrest system for disabled individuals'2016D0487179'RV safe'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Based in Fort Worth, TX, US· patent location history
2016Patents assigned to WISYS TECHNOLOGY FOUND INC (1)· patent assignee history
2016Based in Madison, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WISYS TECHNOLOGY FOUND INC12016
Locations
LocationPatentsSpan
Madison, WI, US12016
Fort Worth, Texas, US12004