Inventor

John J. Jonas

Inventor

Westmount, CA

Overview

1977–2021

Patent span

Human necessities

Primary field (CPC A)

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

C21Dprimary

C21DModifying the physical structure of ferrous metals21%

B21BRolling of metal14%

A23GCocoa7%

A23PShaping or working of foodstuffs, not fully covered by a single other subclass7%

A43BCharacteristic features of footwear7%

A61BDiagnosis7%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing7%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to KRAFT INC (1)· patent assignee history

1977Based in Winnetka, IL, US· patent location history

1988Patents assigned to CANADIAN PATENTS DEV (1)· patent assignee history

1988–1993Based in Westmount, CA· patent location history

1989Patents assigned to IPSCO INC (1)· patent assignee history

1993Patents assigned to ALGOMA STEEL CORP LTD (2)· patent assignee history

2021Patents assigned to BEND LABS INC (1)· patent assignee history

2021Based in Seattle, WA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations