Inventor

William H. Hoffman

Inventor

Palmyra, PA, US

Overview

1997

Patent span

Performing operations

Primary field (CPC B)

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

B21Bprimary

B21BRolling of metal13%

B22DCasting of metals13%

B23KSoldering or unsoldering13%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%

B41NPrinting plates or foils13%

C22CAlloys13%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys13%

Y10TTechnical subjects covered by former us classification13%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to ALUMINUM CO OF AMERICA (1)· patent assignee history

1997Based in Palmyra, PA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALUMINUM CO OF AMERICA	1	1997

Locations

Location	Patents	Span
Palmyra, Pennsylvania, US	1	1997