Inventor

Earl L. Mannas

Inventor
Germantown, MD, US

Overview

4→
Patents
1988–2003
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H04Mprimary
H04MTelephonic communication60%
G06FElectric digital data processing20%
H04JMultiplex communication20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to SOTAS INC (1)· patent assignee history
1988Based in Laurel, MD, US· patent location history
2000–2003Patents assigned to MCI COMMUNICATIONS CORP (3)· patent assignee history
2000–2003Based in Germantown, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MCI COMMUNICATIONS CORP32000–2003
SOTAS INC11988
Locations
LocationPatentsSpan
Germantown, Maryland, US32000–2003
Laurel, Maryland, US11988