Campf; Melvin F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Campf; Melvin F..The latest application filed is for "heating system to alleviate hypothermia".
- Campf; Melvin F. - Tigard OR
- Campf; Melvin F. - Lake Oswego OR
| Patent | Date |
|---|---|
| Heating system to alleviate hypothermia Grant 7,959,658 - Fields , et al. June 14, 2 | 2011-06-14 |
| Personnel heating assembly Grant 7,319,207 - Campf , et al. January 15, 2 | 2008-01-15 |
| Heating System To Alleviate Hypothermia App 20070049997 - Fields; R. Wayne ; et al. | 2007-03-01 |
| Personnel heating assembly App 20050016982 - Campf, Melvin F. ; et al. | 2005-01-27 |
| Outdoor electric personal heating system Grant 5,986,243 - Campf November 16, 1 | 1999-11-16 |
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