Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377401 | Dispenser mechanism for dispensing multiple products | — | 2008-05-27 |
| D559326 | Circle maze machine | — | 2008-01-08 |
| 6634481 | Inventory control system and method | — | 2003-10-21 |
| 6497407 | Dual reward game | — | 2002-12-24 |
| 6398216 | Dual reward game | — | 2002-06-04 |
| D448050 | Pinball gumball vendor | — | 2001-09-18 |
| D401972 | Bulk vendor | — | 1998-12-01 |
| D390273 | Bulk vendor | — | 1998-02-03 |
| D350986 | Vending machine | — | 1994-09-27 |
| D341628 | Vending machine | — | 1993-11-23 |
| 4852767 | Vending machine dispenser | — | 1989-08-01 |
| 4853763 | Mounting base pad means for semiconductor devices and method of preparing same | David C. DeGree, Carl R. Bergquist, Roger A. West | 1989-08-01 |
| 4755249 | Mounting base pad means for semiconductor devices and method of preparing same | David C. DeGree, Carl R. Bergquist, Roger A. West | 1988-07-05 |
| 4666545 | Method of making a mounting base pad for semiconductor devices | David C. DeGree, Carl R. Bergquist, Roger A. West | 1987-05-19 |
| 4602125 | Mounting pad with tubular projections for solid-state devices | Roger A. West, Carl R. Bergquist, David C. DeGree | 1986-07-22 |
| 4419907 | Multiple mode control lever assembly | Kenneth D. Baxter, Gary R. Bluem, Carl E. Kittle, Douglas J. Kluge | 1983-12-13 |