Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7949691 | Methods of catalog data maintenance, storage, and distribution | Albert Henricus Franciscus de Heer, Rudolf Cornelius Wilhelmus de Heer, Constantin Nickolayvich Zabrodine, Eric Oscar Blaettler | 2011-05-24 |