Inventor

Erna J. Beal

Inventor
Fort Washington, MD, US

Overview

2→
Patents
1992–1994
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.

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties40%
F02BInternal-combustion piston engines20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to US NAVY (1)· patent assignee history
1992–1994Based in Fort Washington, MD, US· patent location history
1994Patents assigned to US ARMY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US ARMY11994
US NAVY11992
Locations
LocationPatentsSpan
Fort Washington, Maryland, US21992–1994