Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8892564 | Indexing for data having indexable and non-indexable parent nodes | Mark Butler, David Banks, Ruel Calalo | 2014-11-18 |
| 8028163 | Method of digitally signing data and a data repository storing digitally signed data | Mark Butler | 2011-09-27 |