| 7030782 |
Position detector |
David Ely, Ross Peter Jones, James M. C. England, Alexander W. McKinnon, Andrew Dames +1 more |
2006-04-18 |
| 6624916 |
Signalling system |
Alan Green, Euan Morrison |
2003-09-23 |
| 6489899 |
Position detector |
David Ely, Ross Peter Jones, James M. C. England, Alexander W. McKinnon, Andrew Dames +1 more |
2002-12-03 |
| 6249234 |
Position detector |
David Ely, Ross Peter Jones, James M. C. England, Alexander W. McKinnon, Andrew Dames +1 more |
2001-06-19 |
| 5877800 |
Optical data recording apparatus and method |
Laurence Robinson |
1999-03-02 |
| 5160943 |
Printing systems |
Alan J. Harry, Paul R. Nailor, Fred Adelmann, Peter Franzen, Juergen Schoon |
1992-11-03 |
| 5149211 |
Printers and ancillary systems |
Alan J. Harry, Paul R. Nailor, Fred Adelmann, Peter Franzen, Juergen Schoon |
1992-09-22 |
| 5118608 |
Optical assay technique |
Derek G. Layton, Alan M. Smith, John H. Fisher, Satham Petty-Saphon |
1992-06-02 |
| 4960651 |
Magnetic devices |
Stephen H. Chambers, Dafydd G. Davies |
1990-10-02 |
| 4940966 |
Article detection and/or recognition using magnetic devices |
Stephen H. Chambers, Dafydd G. Davies, Michael D. Crossfield |
1990-07-10 |
| 4931384 |
Optical assay technique |
Derek G. Layton, Alan M. Smith, John H. Fisher, Satham Petty-Saphon |
1990-06-05 |
| 4928132 |
Optical data storage medium |
Victor C. Humberstone, Keith Gardner, Robert Longman, Peter R. Helfet |
1990-05-22 |
| 4893299 |
Magneto-optic data storage technique |
Victor C. Humberstone, Peter R. Helfet |
1990-01-09 |
| 4802736 |
Interferometers |
Keith Gardner, Robert Longman, Walter T. Welford |
1989-02-07 |
| 4786585 |
Image forming and data storage |
Victor C. Humberstone |
1988-11-22 |
| 4776701 |
Displacement measuring apparatus and method |
— |
1988-10-11 |
| 4758307 |
Method of manufacturing a data storage medium |
Victor C. Humberstone, Keith Gardner |
1988-07-19 |
| 4733968 |
Datum sensing using optical grating |
Laurence Robinson |
1988-03-29 |
| 4724444 |
Data storage medium |
Victor C. Humberstone, Keith Gardner, Robert Longman, Peter R. Helfet |
1988-02-09 |
| 4703469 |
Optical data recording using radiation of different characteristics |
Keith Gardner, Robert Longman |
1987-10-27 |
| 4657780 |
Manufacture of diffraction gratings |
Robert Longman |
1987-04-14 |
| 4636076 |
Displacement measuring apparatus and method |
— |
1987-01-13 |
| 4616237 |
Data storage medium |
Victor C. Humberstone, Keith Gardner |
1986-10-07 |
| 4541695 |
Zoom lens for cameras |
Ronald C. Wainwright, Nicholas M. Goy, John Douglas Anderson, John D. Bradbrook |
1985-09-17 |
| 4522482 |
Information storage and retrieval |
John D. Bradbrook, Alan M. Smith, John H. Fisher |
1985-06-11 |