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Inventor

Douglas Frank Schwandt

Inventor
Palo Alto, CA, US

Overview

3→
Patents
2013–2018
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.

A61Hprimary
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body33%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing33%
Y10TTechnical subjects covered by former us classification22%
A61FFilters implantable into blood vessels11%
PatentTitleYear
10,004,656Systems, methods and apparatus for differential air pressure devices20189,642,764'Differential air pressure systems'20178,464,716'Differential air pressure systems'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2018Patents assigned to ALTERG INC (3)· patent assignee history
2013Patents assigned to KUEHNE ERIC RICHARD (1)· patent assignee history
2013Patents assigned to SCHWANDT DOUGLAS FRANK (1)· patent assignee history
2013Patents assigned to SHUGHART MARK ALAN (1)· patent assignee history
2013Patents assigned to WHALEN ROBERT T (1)· patent assignee history
2013–2018Based in Palo Alto, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALTERG INC32013–2018
KUEHNE ERIC RICHARD12013
SCHWANDT DOUGLAS FRANKself12013
SHUGHART MARK ALAN12013
WHALEN ROBERT T12013
Locations
LocationPatentsSpan
Palo Alto, California, US32013–2018