Inventor
Hans-Rudolf Siegwart
Inventor
Kilchberg, CH
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E04Cprimary
E04CStructural elements33%
B21FWorking or processing of metal wire17%
E04GScaffolding17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to BRANDESTINI ANTONIO (1)· patent assignee history
1976–1977Based in Kilchberg, CH· patent location history
1977Patents assigned to BUREAU BBR LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BUREAU BBR LTD | 2 | 1977 |
| BRANDESTINI ANTONIO | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kilchberg, CH | 3 | 1976–1977 |