LexDanaLexDanabeta
Inventor

Hans-Ludwig Graf

Inventor
Leipzig, DE

Overview

2→
Patents
1989–1991
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels33%
A61LMethods or apparatus for sterilising materials or objects in general33%
A61CDentistry17%
A61MDevices for introducing media into, or onto, the body17%
PatentTitleYear
5,032,129'Active implant'19914,846,837'Ceramic-coated metal implants'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to TECH UNI KARL MARX STRADT (1)· patent assignee history
1989–1991Based in Leipzig, DE· patent location history
1991Patents assigned to KARL MARX STADT TECH HOCHSCHUL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KARL MARX STADT TECH HOCHSCHUL11991
TECH UNI KARL MARX STRADT11989
Locations
LocationPatentsSpan
Leipzig, DE21989–1991