Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D748748 | Athletic stick head | Alex Van Alen, Douglas G. Sabin, Michael Tintsman | 2016-02-02 |
| 8545335 | Toy with memory and USB ports | John D. Fiegener, Michael Tinstman, Daniel Richard Armstrong, Chris Lohring | 2013-10-01 |
| 8245360 | Rope grip slip-knot device | Arthur Stafford, Michael Tinstman, Daniel Richard Armstrong, John D. Fiegener | 2012-08-21 |
| D665551 | Heat-sealed waste disposal | Joseph B. Grand, John D. Fiegener, Samuel Wald, Thomas Anthony Gernetzke, William J. Vespa +2 more | 2012-08-14 |
| 7909748 | Exercise apparatus | Leslie Calvagne, Yumi Lee, Timothy J. Higgins, John D. Fiegener, Daniel Richard Armstrong +2 more | 2011-03-22 |
| D617629 | Rope grip slip-knot device | Arthur Stafford, Michael Tinstman, Daniel Richard Armstrong, John D. Fiegener | 2010-06-15 |
| 6782305 | Method of geometric information sharing and parametric consistency maintenance in a collaborative design environment | David Wallace | 2004-08-24 |