| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Germany | 2 | |
| #3 | Austria | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Civil engineering | |
| #3 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schwarz Erhard | 2 |
| #2 | Bertoldi Gerhard Dr | 2 |
| #3 | Bichsel Rene | 2 |
| #4 | Erhard S Schwarz | 1 |
| #5 | Gerhard A Dr Bertoldi | 1 |
| #6 | Bertoldi Gerhart Dr | 1 |
| #7 | Gerhard A Dr Bertholdi | 1 |
| #8 | Christian Bachmann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH513294A | Antislip compsn - comprising sand, an ice-thawing salt and water | |
| DE1927576A1 | Insulating building materials produced by mixing non | |
| CH515194A | Plaster compositions contng organic polymers | |
| DE1659970A1 | Procedure for creating an underlay | |
| CH502280A | Plaster compositions contng organic polymers |