Hopstock; David M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hopstock; David M..The latest application filed is for "optical fiber encoded with data signal".
- Hopstock; David M. - Roseville MN
- Hopstock; David M. - Twin Cities MN
| Patent | Date |
|---|---|
| Optical fiber encoded with data signal Grant 6,650,815 - Hawtof , et al. November 18, 2 | 2003-11-18 |
| Optical fiber encoded with data signal App 20030026568 - Hawtof, Daniel W. ; et al. | 2003-02-06 |
| Conformable magnetic articles for use with traffic bearing surfaces methods of making same systems including same and methods of use Grant 6,468,678 - Dahlin , et al. October 22, 2 | 2002-10-22 |
| Magnetic separator apparatus and methods regarding same Grant 6,253,924 - Bleifuss , et al. July 3, 2 | 2001-07-03 |
| Conformable magnetic articles underlaid beneath traffic-bearing surfaces Grant 5,853,846 - Clark , et al. December 29, 1 | 1998-12-29 |
| Process for scavenging iron from tailings produced by flotation beneficiation and for increasing iron ore recovery Grant 4,192,738 - Colombo , et al. March 11, 1 | 1980-03-11 |
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