Howorth; Frederick H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Howorth; Frederick H..The latest application filed is for "sterile air trolley".
- Howorth; Frederick H. - Chorley Lanchashire GB2
- Howorth; Frederick H. - Ollerton Near Chorley GB2
- Howorth; Frederick H. - Farnworth GB
- Howorth; Frederick H. - Withnall Chorley EN
| Patent | Date |
|---|---|
| Sterile air trolley Grant 4,996,910 - Howorth March 5, 1 | 1991-03-05 |
| Body exhaust gown arrangement Grant 4,651,727 - Howorth March 24, 1 | 1987-03-24 |
| Autopsy table Grant 4,650,171 - Howorth March 17, 1 | 1987-03-17 |
| Sterile air trolley Grant 4,531,956 - Howorth July 30, 1 | 1985-07-30 |
| Clean air zone Grant 4,137,831 - Howorth February 6, 1 | 1979-02-06 |
| Surgical Operating Theatre With Sterile Air Admitting Means Grant 3,602,212 - Howorth August 31, 1 | 1971-08-31 |
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