| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Germany | 1 | |
| #3 | Spain | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Italy | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Materials and metallurgy | |
| #4 | Surface technology and coating | |
| #5 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roczynski Joseph P | 3 |
| #2 | Roczynski Chester P | 3 |
| #3 | French Fred W | 1 |
| #4 | Gesick Norman S | 1 |
| #5 | French F | 1 |
| #6 | Evans Thomas R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4005965A | Record producing apparatus | |
| US3862815A | Record producing apparatus | |
| ES357397A1 | Procedure for manufacturing metal tube with interior fins. (Machine-translation by Google Translate, not legally binding) | |
| US3422518A | Method of reforming tubular metal blanks into inner-fin tubes | |
| US3447950A | Production of encapsulated powders |