Inventor

Ronald A. Davis

Inventor

Commerce Township, MI, US

Overview

1981–2017

Patent span

Mechanical engineering

Primary field (CPC F)

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

F02Dprimary

F02DControlling combustion engines44%

A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like13%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

B41LApparatus or devices for manifolding, duplicating or printing for office or other commercial purposes6%

G09FDisplaying6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to LITTON BUSINESS SYSTEMS INC (1)· patent assignee history

1981Based in Blue Island, IL, US· patent location history

1991–2004Patents assigned to GEN MOTORS CORP (4)· patent assignee history

1991Based in Milford, MI, US· patent location history

1995–2008Based in Commerce Township, MI, US· patent location history

2007–2008Patents assigned to GM GLOBAL TECH OPERATIONS INC (3)· patent assignee history

2017Patents assigned to DAVIS JR RONALD A (2)· patent assignee history

2017Based in Oak Run, CA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN MOTORS CORP	4	1991–2004
GM GLOBAL TECH OPERATIONS INC	3	2007–2008
DAVIS JR RONALD Aself	2	2017
LITTON BUSINESS SYSTEMS INC	1	1981

Locations