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Inventor

Lewis H. Mammel

Inventor
Holmdel, NJ, US

Overview

3→
Patents
1977–1995
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

B03Cprimary
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids20%
G06FElectric digital data processing20%
H01RElectrically-conductive connections20%
H04QSelecting20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,446,881'Database storage and retrieval method using a declining stage size and repetitive searches'19954,534,776'Air cleaner'19854,002,389'Self latching and unlatching connector assembly'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1977–1985Based in Holmdel, NJ, US· patent location history
1985Patents assigned to AT & T BELL LAB (1)· patent assignee history
1995Patents assigned to AT & T CORP (1)· patent assignee history
1995Based in Wheaton, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T BELL LAB11985
AT & T CORP11995
BELL TELEPHONE LABOR INC11977
Locations
LocationPatentsSpan
Holmdel, New Jersey, US21977–1985
Wheaton, Illinois, US11995