Inventor

Robert E. Ernhoffer

Inventor
Sewell, NJ, US

Overview

3→
Patents
1991–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C10Mprimary
C10MLubricating compositions43%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions29%
C07DHeterocyclic compounds14%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to MOBIL OIL CORP (3)· patent assignee history
1991–1993Based in Sewell, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOBIL OIL CORP31991–1993
Locations
LocationPatentsSpan
Sewell, New Jersey, US31991–1993