Hull; John L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hull; John L..The latest application filed is for "method and apparatus for the conveying and radio frequency processing of dielectric materials".
- Hull; John L. - Huntington Valley PA
- Hull; John L. - Houston TX
- Hull; John L. - Millville New Brunswick CA
| Patent | Date |
|---|---|
| Method and apparatus for the conveying and radio frequency processing of dielectric materials Grant 4,546,226 - Trembley , et al. October 8, 1 | 1985-10-08 |
| Method And Apparatus For Installing An Insertable Hanger Shoulder Ring In A Wellhead Grant 3,684,016 - Hull , et al. August 15, 1 | 1972-08-15 |
| Screw Driver Holder Grant 3,683,984 - Hull August 15, 1 | 1972-08-15 |
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