Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503564 | Multi-function playing element and method of using in a card or tile game | — | 2009-03-17 |
| 6905122 | Game apparatus for and method of playing a family of associated rummy-type card games | Matthew T. Weigl, Margaret R. Weigl | 2005-06-14 |
| 5203557 | Baseball base and anchor | Charles E. Studebaker | 1993-04-20 |
| 5007645 | Golf practice device | George Churley | 1991-04-16 |
| 4601429 | Concentric drive for food processing tool | Richard L. Stottmann, Edward F. Ponikwia | 1986-07-22 |
| 4248434 | Bridge game for two or three | — | 1981-02-03 |