PLESS ERNST has a total of 11 patent applications. Its first patent ever was published in 1935. It filed its patents most often in Austria and United Kingdom. Its main competitors in its focus markets audio-visual technology are SCRATCH LESS DISC IND LLC, HIGHTREE MEDIA CORP and HOTTA TOHRU.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 10 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pless Ernst | 11 |
| Publication | Filing date | Title |
|---|---|---|
| GB1207354A | Device for measuring a tape coil |