Issued Patents All Time
Showing 25 most recent of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890769 | Hot air electric generating systems | — | 2018-02-13 |
| 9090273 | Wheelbarrow leg stabilizer | Daniel F. Marshall, Joshua O. Mullen, Michael J. Lupey, Jr. | 2015-07-28 |
| 8851486 | Utility cart frame assembly and undercarriage interface | Joshua O. Mullen | 2014-10-07 |
| 8752847 | Wheelbarrow leg stabilizer | Daniel F. Marshall, Joshua O. Mullen, Michael J. Lupey, Jr. | 2014-06-17 |
| D699530 | Metal shovel blade | Chun Hung | 2014-02-18 |
| D694981 | Garden cart frame assembly | Joshua O. Mullen | 2013-12-03 |
| 8579342 | Consumer post hole digger | Jeffrey M. Norton | 2013-11-12 |
| 8523198 | Wheelbarrow leg stabilizer | Daniel F. Marshall, Joshua O. Mullen, Michael J. Lupey, Jr. | 2013-09-03 |
| D675804 | Tray | Joshua O. Mullen | 2013-02-05 |
| D661452 | Wheelbarrow leg stabilizer | Daniel F. Marshall, Joshua O. Mullen, Michael J. Lupey, Jr. | 2012-06-05 |
| D654650 | Wheelbarrow leg stabilizer | Daniel F. Marshall, Joshua O. Mullen, Michael J. Lupey, Jr. | 2012-02-21 |
| D654651 | Wheelbarrow leg stabilizer | Daniel F. Marshall, Joshua O. Mullen, Michael J. Lupey, Jr. | 2012-02-21 |
| 7798545 | Consumer post hole digger | Jeffrey M. Norton | 2010-09-21 |
| D617615 | Shovel workhead | David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway +1 more | 2010-06-15 |
| D617616 | Square point shovel | David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway +1 more | 2010-06-15 |
| 7726714 | Post hole digger | Jeffrey M. Norton | 2010-06-01 |
| D600081 | Cultivator head | Joshua O. Mullen | 2009-09-15 |
| D595470 | Handle for a wheelbarrow | Eric D. Hyp | 2009-06-30 |
| 7461880 | Post hole digger | Jeffrey M. Norton | 2008-12-09 |
| 7461881 | Consumer post hole digger | Jeffrey M. Norton | 2008-12-09 |
| D569573 | Pour-spout wheelbarrow tray | Eric D. Hyp | 2008-05-20 |
| 7331587 | Wheelbarrow wheel guard | Eric D. Hyp | 2008-02-19 |
| 7104565 | Packaged wheelbarrow and associated method | Michael J. Tomchak | 2006-09-12 |
| 6991251 | Collapsible wheelbarrow and associated method | Michael J. Tomchak, Mike Lupey | 2006-01-31 |
| 6923469 | Collapsible wheelbarrow | Michael J. Tomchak, Mike Lupey | 2005-08-02 |