Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8746746 | Nestable connector | Charlie J. Schafer | 2014-06-10 |
| 8127789 | Fluid retaining apparatus with ball valve | Rodney M. Ramsey | 2012-03-06 |
| 7942606 | Groundwater control system with automatic water flow regulator | — | 2011-05-17 |
| 6302292 | Ticket counting dispenser | Ryan B. Gruhn, Philip R. Littler, Tim Caltrider, Glenn Miller, Ryan P. Littler +2 more | 2001-10-16 |
| 6230926 | Ticket counting dispenser with ticket dispensing assembly | Ryan B. Gruhn | 2001-05-15 |
| 6073572 | Floating dock | Ryan B. Gruhn, Michael E. Irlmeier, Philip R. Littler, Kurt L. McCuen, Steve Irlmeier, deceased | 2000-06-13 |
| 5868277 | Ticket dispenser base assembly | — | 1999-02-09 |
| D378507 | Boat | Betty L. Schafer | 1997-03-18 |
| 5492398 | Dual modular hinged access display and dispensing structure | — | 1996-02-20 |
| 5399005 | Stackable locking display and dispensing structure | — | 1995-03-21 |
| D329877 | Lottery ticket dispenser | — | 1992-09-29 |
| 5111939 | Self-supporting stacked display and dispenser structure | — | 1992-05-12 |
| 5100038 | Ticket dispensing structure | — | 1992-03-31 |
| D319264 | Ticket dispenser | — | 1991-08-20 |
| 4995507 | Ticket dispensing structure | — | 1991-02-26 |
| 4858806 | Ticket display and dispenser | — | 1989-08-22 |
| 4821642 | Hand operated ticket printer | — | 1989-04-18 |
| 4621945 | Head control stand | William Schafer, Charles J. Schafer | 1986-11-11 |