Inventor

Robert E. Russell

Inventor

Cary, NC, US

Overview

1978–2015

Patent span

Electricity

Primary field (CPC H)

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

G06Fprimary

G06FElectric digital data processing19%

LOCD019%

H01HElectric switches13%

H04LTransmission of digital information, e.g. telegraphic communication13%

A46BBrushes6%

B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents6%

B08BCleaning in general6%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel6%

F23JRemoval or treatment of combustion products or combustion residues6%

F24CDomestic stoves or ranges6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978–1984Patents assigned to RUSSELL ROBERT E (3)· patent assignee history

1978–1984Based in Nashville, TN, US· patent location history

1980–1981Patents assigned to QUABAUG RUBBER COMPANY (2)· patent assignee history

1980–1981Based in Holden, MA, US· patent location history

1991–1992Patents assigned to TAPESWITCH CORP OF AMERICA (2)· patent assignee history

1991–1992Based in Old Bethpage, NY, US· patent location history

2003–2006Patents assigned to IBM (2)· patent assignee history

2003–2015Based in Cary, NC, US· patent location history

2015Patents assigned to LANDERS JR JOHN DAVID (1)· patent assignee history

2015Based in Norfolk, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations