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Inventor

Benjamin T. Bernstein

Inventor
Highland Park, IL, US

Overview

5→
Patents
1977–2021
Patent span
Textiles
Primary field (CPC D)

Patents· 5 as inventor

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

D05Bprimary
D05BSewing43%
B24BMachines, devices, or processes for grinding or polishing14%
D05DIndexing scheme associated with subclasses d05b and d05c, relating to sewing, embroidering and tufting14%
G01SRadio direction-finding14%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes14%
PatentTitleYear
10,977,751Managing communications for combined orders20214,528,777'Knife sharpener'19854,516,512'Modularized Cardan sewing machine'19854,248,170'Auxiliary feed mechanism for sewing machines'19814,038,931'Fabric panel discontinuity sensor'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1985Patents assigned to UNION SPECIAL CORP (3)· patent assignee history
1977–1985Based in Highland Park, IL, US· patent location history
1985Patents assigned to BEN BERNSTEIN & ASSOCIATES (1)· patent assignee history
1985Based in Northfield, IL, US· patent location history
2021Patents assigned to DOORDASH INC (1)· patent assignee history
2021Based in San Francisco, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNION SPECIAL CORP31977–1985
BEN BERNSTEIN & ASSOCIATES11985
DOORDASH INC12021
Locations
LocationPatentsSpan
Highland Park, Illinois, US31977–1985
San Francisco, California, US12021
Northfield, Illinois, US11985