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Inventor

Robert Conrad Hauf

Inventor
Upper Montclair, NJ, US

Overview

3→
Patents
1976–1977
Patent span
Textiles
Primary field (CPC D)

Patents· 3 as inventor

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

D05Bprimary
D05BSewing60%
D05DIndexing scheme associated with subclasses d05b and d05c, relating to sewing, embroidering and tufting20%
D10BIndexing scheme associated with sublasses of section d, relating to textiles20%
PatentTitleYear
4,056,070'Automatic one-step buttonholing device'19774,019,449'Automatic buttonholing sizing device'19773,987,739'Single pattern control of sewing machines'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to SINGER CO (3)· patent assignee history
1976–1977Based in Upper Montclair, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SINGER CO31976–1977
Locations
LocationPatentsSpan
Upper Montclair, New Jersey, US31976–1977