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Inventor

Eugene V. Johnson

Inventor
Cottage Grove, MN, US

Overview

2→
Patents
1979–2019
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

B05Dprimary
B05DProcesses for applying fluent materials to surfaces, in general25%
C03CChemical composition of glasses, glazes or vitreous enamels25%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them25%
G09FDisplaying25%
PatentTitleYear
10,252,940Roll processing of film20194,171,882'Light reflective projection system'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to HANSEN DANE J (1)· patent assignee history
1979Patents assigned to JOHNSON EUGENE III (1)· patent assignee history
1979Based in Waynesboro, VA, US· patent location history
2019Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
2019Based in Cottage Grove, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO12019
HANSEN DANE J11979
JOHNSON EUGENE III11979
Locations
LocationPatentsSpan
Cottage Grove, Minnesota, US12019
Waynesboro, Virginia, US11979