de Roo John P Cornelis
Inventor
Stats
- 1 total patents issued
- 1 total patents filed
- most recent filing
This is official USPTO record data
Details
- 1 Issued Patents
- 1 Filed Patents
- 0 Total Citation Count
- Jul 10, 1992 Most Recent Filing
- Jul 10, 1992 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| HIGH RISE CONCRETE SYSTEMS, INC. | 1 | 1992 |
Inventor Addresses
| Address | Duration |
|---|---|
| Gouda, NL | Dec 14, 93 - Dec 14, 93 |
Technology Profile
| Technology | # of Patents | |
|---|---|---|
| E21D: | SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5,269,633 | 1993 | Tunnel shuttering | 0 |

