LexDanaLexDanabeta
Inventor

Volker Frank

Inventor
Heidelberg, DE

Overview

2→
Patents
1986–1988
Patent span
Physics
Primary field (CPC G)

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 transducer67%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
4,717,091'Tape cassette, in particular a video tape cassette, and a pressure spring therefor'19884,613,095'Plate spring for a tape cassette'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1988Patents assigned to BASF AG (2)· patent assignee history
1986–1988Based in Heidelberg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG21986–1988
Locations
LocationPatentsSpan
Heidelberg, DE21986–1988