Inventor
Gerd Kalteyer
Inventor
Erfstadt, DE
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Dprimary
B24DTools for grinding, buffing or sharpening33%
C06FMatches33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
4,315,961'Production of striking surfaces for matches'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to HOECHST AG (1)· patent assignee history
1982Based in Erfstadt, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Erfstadt, DE | 1 | 1982 |