Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9114597 | Protected prong file fastener and method of manufacture | Harold Peter Lindelof, Marvin J. Halfen, David J. Gilbertson, Michael C. Goodson, Michael Hacker | 2015-08-25 |
| 8746314 | Protected prong file fastener and method of manufacture | Harold Peter Lindelof, Marvin J. Halfen, David J. Gilbertson, Michael C. Goodson, Michael Hacker | 2014-06-10 |
| 8414211 | Protected prong file fastener | Harold Peter Lindelof, Marvin J. Halfen, David J. Gilbertson, Michael C. Goodson, Michael Hacker | 2013-04-09 |
| D527048 | Bar for folder | — | 2006-08-22 |
| 7059483 | Hanging file folder and suspension bar therefor and process for producing | — | 2006-06-13 |