Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
Name | Patent Title | Patent Number |
City | Year |
---|---|---|---|---|
Clifford C. HACH | composition for analysis of iron | 03095382 | Ames | 1963 |
Clifford C. HACH | method of making comparator color wheels | 03764646 | Ames | 1973 |
Clifford C. HACH | method of making comparator color wheels | 03764646 | Ames | 1973 |
Clifford C. HACH | automatic analyzer | 03773423 | Ames | 1973 |
Clifford C. HACH | automatic analyzer | 03773423 | Ames | 1973 |
Clifford C. HACH | two-color comparator | D0232038 | Ames | 1974 |
Clifford C. HACH | two-color comparator | D0232038 | Ames | 1974 |
Clifford C. HACH | color comparator | D0232037 | Ames | 1974 |
Clifford C. HACH | method and apparatus for eliminating air during fluid turbidity measurement | 03849002 | Ames | 1974 |
Clifford C. HACH | disposable weight burette and method for carrying out titrimetric analyses | 03905768 | Ames | 1975 |
Clifford C. HACH | disposable weight burette and method for carrying out titrimetric analyses | 03905768 | Ames | 1975 |
Clifford C. HACH | method and apparatus for sampling impure water | 04053282 | Ames | 1977 |
Clifford C. HACH | weight loss spring balance | 03718198 | Ames | 1973 |
Clifford C. HACH | weight loss spring balance | 03718198 | Ames | 1973 |
Clifford C. HACH | iron analysis reagent formulation | 03709662 | Ames | 1973 |
Clifford C. HACH | stain and rust removing composition | 03183191 | Ames | 1965 |
Clifford C. HACH | analyzer mixing apparatus | 03185447 | Ames | 1965 |
Clifford C. HACH | apparatus for automatic analyzing | 03186779 | Ames | 1965 |
Clifford C. HACH | apparatus for automatic analyzing | 03186779 | Ames | 1965 |
Clifford C. HACH | apparatus for automatic analyzing | 03284164 | Ames | 1966 |
Clifford C. HACH | automatic continuous analyzer | 03294490 | Ames | 1966 |
Clifford C. HACH | color wheel for color comparators | 03520626 | Ames | 1970 |
Clifford C. HACH | color wheel for color comparators | 03520626 | Ames | 1970 |
Clifford C. HACH | colorimeter apparatus | 03549261 | Ames | 1970 |
Clifford C. HACH | method and means for detecting coliform bacteria in water | 03553082 | Ames | 1971 |
Clifford C. HACH | digital titration device | 04086062 | Ames | 1978 |
Clifford H. HACH | test papers, methods for carrying out chemical analyses and methods for making the test papers | 03510263 | Ames | 1970 |
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