| 10518228 |
Device and method for generating bubbles, use of the device and a fuel cell comprising the device |
David Ward |
2019-12-31 |
| 9385391 |
Fuel cells |
Brian Clarkson |
2016-07-05 |
| 5406540 |
Optical disk recording performance |
Peter R. Helfet, Quentin J. Lister, Mark J. Broadbent |
1995-04-11 |
| 5137617 |
Optical disk manufacture |
Peter R. Helfet, Jitka Brynjolffssen |
1992-08-11 |
| 5008687 |
Data storage medium |
Peter R. Helfet, Michael John Abrams |
1991-04-16 |
| 4928132 |
Optical data storage medium |
Robert M. Pettigrew, Victor C. Humberstone, Keith Gardner, Peter R. Helfet |
1990-05-22 |
| 4866696 |
Pre-formatted moth-eye type optical data storage member and method |
Peter R. Helfet, Philip A. Storey |
1989-09-12 |
| 4802736 |
Interferometers |
Keith Gardner, Robert M. Pettigrew, Walter T. Welford |
1989-02-07 |
| 4724444 |
Data storage medium |
Robert M. Pettigrew, Victor C. Humberstone, Keith Gardner, Peter R. Helfet |
1988-02-09 |
| 4703469 |
Optical data recording using radiation of different characteristics |
Robert M. Pettigrew, Keith Gardner |
1987-10-27 |
| 4657780 |
Manufacture of diffraction gratings |
Robert M. Pettigrew |
1987-04-14 |