Inventor

Charles A. Ward

Inventor

Toronto, CA

Overview

1979–2019

Patent span

Human necessities

Primary field (CPC A)

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

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

A61FFilters implantable into blood vessels8%

A61KPreparations for medical, dental or toiletry purposes8%

A61LMethods or apparatus for sterilising materials or objects in general8%

A61MDevices for introducing media into, or onto, the body8%

B29CShaping or joining of plastics8%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%

B62DMotor vehicles8%

C12NMicroorganisms or enzymes8%

Y02ATechnologies for adaptation to climate change8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to WARD CHARLES A (2)· patent assignee history

1979Patents assigned to ZINGG WALTER (1)· patent assignee history

1979–1990Based in Toronto, CA· patent location history

1979Based in Bakersfield, CA, US· patent location history

1990Patents assigned to HSC RES DEV CORP (1)· patent assignee history

2019Patents assigned to UNIV NEW YORK STATE RES FOUND (1)· patent assignee history

2019Based in San Jose, CA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations