LexDanaLexDanabeta
Inventor

Bernard W. Lifka

Inventor
New Kensington, PA, US

Overview

3→
Patents
1986–1987
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.

C22Fprimary
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys67%
C22CAlloys33%
PatentTitleYear
4,711,762'Aluminum base alloys of the A1-Cu-Mg-Zn type'19874,659,396'Metal working method'19874,629,517'High strength and corrosion resistant aluminum article and method'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to ALUMINUM CO OF AMERICA (3)· patent assignee history
1986–1987Based in New Kensington, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALUMINUM CO OF AMERICA31986–1987
Locations
LocationPatentsSpan
New Kensington, Pennsylvania, US31986–1987