Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46043 | Canopy-like decorative structure | Richard D. Stackenwalt, Eric Krantz-Lilienthal, Wesley T. K. Bischel, Martin L. Graver | 2016-06-28 |
| 9249583 | Easy to install and remove tile system | Lynn M. Wise, Kean M. Anspach, John R. Eshbach, Jr., Michael E. Buckwalter, Charles H. Hines | 2016-02-02 |
| 8322100 | Easy to install and remove tile system | Lynn M. Wise, Kean M. Anspach, John R. Eshbach, Jr., Michael E. Buckwalter, Charles H. Hines | 2012-12-04 |
| 8015765 | Canopy-like decorative structure | Richard D. Stackenwalt, Eric Krantz-Lilienthal, Wesley T. K. Bischel, Martin L. Graver | 2011-09-13 |
| 5355648 | Locking clip | Martin L. Graver | 1994-10-18 |
| 5165209 | Transition element | Wesley T. K. Bischel, Donald F. Claussen, Martin L. Graver | 1992-11-24 |