Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8875937 | Plastic dumpster | Henry F. Hay, Daniel Andrew Depenhart | 2014-11-04 |
| 8631940 | Plastic dumpster | Henry F. Hay, Daniel Andrew Depenhart | 2014-01-21 |
| 8235035 | Inflatable solar energy collector apparatus | Ian L. Winger | 2012-08-07 |
| 7708161 | Light-weight vacuum chamber and applications thereof | — | 2010-05-04 |
| 7251198 | Moon phase wheel chart | — | 2007-07-31 |
| 7140132 | Perpetual calendar wheel chart | — | 2006-11-28 |
| 5974001 | Moon phase device | — | 1999-10-26 |