| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 1 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | Finland | 1 | |
| #9 | France | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | Ireland | 1 | |
| #12 | Israel | 1 | |
| #13 | Italy | 1 | |
| #14 | Netherlands | 1 | |
| #15 | Norway | 1 | |
| #16 | New Zealand | 1 | |
| #17 | Sweden | 1 | |
| #18 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Personal adornments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Robinson P | 7 |
| #2 | Evans D C | 4 |
| #3 | Stanton R T | 4 |
| #4 | O'Farrell C M | 4 |
| #5 | Stanton R | 3 |
| #6 | Wright S L | 3 |
| #7 | Wright S | 3 |
| #8 | Robinson Paul | 3 |
| #9 | Wright Susan Lesley | 2 |
| #10 | O'Farrell Christopher Michael | 2 |
| Publication | Filing date | Title |
|---|---|---|
| IE42227L | Impovements in or relating to methods of polishing diamonds | |
| GB1480431A | Method of polishing diamonds |