Inventor
Thomas Stierman
Inventor
Mahtomedi, MN, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing19%
G06KGraphical data reading19%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing19%
G09FDisplaying19%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C02FTreatment of water, waste water, sewage, or sludge4%
C07CAcyclic or carbocyclic compounds4%
C07DHeterocyclic compounds4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C22BProduction and refining of metals4%
PatentTitleYear
8,223,964'Three-dimensional authentication of mircoparticle mark'20128,033,450'Expression codes for microparticle marks based on signature strings'20117,885,428'Automatic microparticle mark reader'20117,831,042'Three-dimensional authentication of microparticle mark'20107,720,254'Automatic microparticle mark reader'20105,212,261'Latent, heat-curable epoxy resin compositions containing metal carboxylate curing systems'19935,158,603'Process of extracting anions with quaternary amines'19924,912,228'Process of extraction of amino acids from aqueous solutions thereof'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1993Patents assigned to HENKEL RESEARCH CORP (3)· patent assignee history
1990–1993Based in Santa Rosa, CA, US· patent location history
2010–2012Patents assigned to SMI HOLDINGS INC (5)· patent assignee history
2010–2012Based in Mahtomedi, MN, US· patent location history
2012Patents assigned to HUNT DAN (1)· patent assignee history
2012Patents assigned to STIERMAN THOMAS (1)· patent assignee history
2012Patents assigned to ZDON CHRIS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMI HOLDINGS INC | 5 | 2010–2012 |
| HENKEL RESEARCH CORP | 3 | 1990–1993 |
| HUNT DAN | 1 | 2012 |
| STIERMAN THOMASself | 1 | 2012 |
| ZDON CHRIS | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mahtomedi, Minnesota, US | 5 | 2010–2012 |
| Santa Rosa, California, US | 3 | 1990–1993 |