Average Co-Inventor Count = 2.40
ph-index = 5
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. De La Rue Systems Ltd. (6 from 78 patents)
2. Bright-tech (developments) Limited (1 from 1 patent)
3. De La Rue Instruments Limited (1 from 1 patent)
8 patents:
1. 4926167 - Information display apparatus
2. 4709820 - Sheet dispensing apparatus
3. D283745 - Customer-operated cash dispenser
4. 4516899 - Sheet feeding apparatus
5. 4506880 - Sheet handling machines
6. 4439083 - Automatic sheet dispensing apparatus
7. 4381445 - Cash dispenser with reject dump means
8. 4136454 - Apparatus for gauging the thickness of moving laminar material