| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 1 | |
| #2 | Australia | 1 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | Denmark | 1 | |
| #7 | Spain | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Italy | 1 | |
| #11 | Netherlands | 1 | |
| #12 | New Zealand | 1 | |
| #13 | Sweden | 1 | |
| #14 | United States | 1 | |
| #15 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Processing photographic materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maris Wiltjie | 8 |
| #2 | Moran Robert John | 7 |
| #3 | Maris W | 3 |
| #4 | Moran R J | 3 |
| #5 | Moran Robert | 1 |
| #6 | Moran Robert J | 1 |
| #7 | Wiltjie Maris | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4497559A | Disc film developer | |
| AU1839383A | Disc film developer |