| 4644323 |
Analog-to-digital converter having programmable dynamic range |
Morteza M. Chamran, Paul Williams |
1987-02-17 |
| 4430657 |
Pen drive for recorder |
William C. Muellner |
1984-02-07 |
| 4342516 |
Filter indexing for spectrophotometer system |
Morteza M. Chamran, Paul Williams |
1982-08-03 |
| 4332470 |
Spectrophotometer system having power line synchronization |
Morteza M. Chamran, Paul Williams, Michael A. Ford |
1982-06-01 |
| 4329051 |
Spectrophotometer improvement of improved automatic wavelength indexing initialization apparatus |
Morteza M. Chamran, Paul Williams |
1982-05-11 |
| 4322807 |
Safe memory system for a spectrophotometer |
Morteza M. Chamran, Paul Williams |
1982-03-30 |
| 4320390 |
High resolution analog to digital converter |
— |
1982-03-16 |
| 4318616 |
Manual wavelength adjustment for a microprocessor based spectrophotometer |
Morteza M. Chamran, Paul Williams |
1982-03-09 |