LexDanaLexDanabeta
Inventor

Hilmar Lechner

Inventor
Frankenthal, DE

Overview

2→
Patents
1981–1986
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer50%
B24BMachines, devices, or processes for grinding or polishing25%
B29CShaping or joining of plastics25%
PatentTitleYear
4,629,632'Production of magnetic recording media'19864,254,585'Process and apparatus for the surface treatment of flexible magnetic recording media'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1986Patents assigned to BASF AG (2)· patent assignee history
1981Based in Ludwigshafen, DE· patent location history
1986Based in Frankenthal, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG21981–1986
Locations
LocationPatentsSpan
Frankenthal, DE11986
Ludwigshafen, DE11981