Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11363918 | Dispenser for sheet products and operating method | Boris Allan Elfstrom, Jason Zerweck | 2022-06-21 |
| 11051664 | Dispenser for sheet products and operating method | Craig Billman, Boris Allan Elfstrom, Jason Zerweck, Rui Zhang | 2021-07-06 |
| 10602890 | Dispenser for dispensing sheet products | Craig Billman, Eric Kemner, Jason Zerweck, Rui Zhang | 2020-03-31 |
| 6526603 | Container system for draining a urinary leg bag | — | 2003-03-04 |
| 6012181 | System for draining a urinary drainage container | Wayne H. Johnson | 2000-01-11 |
| 5857079 | Smart card for automatic financial records | David Michael Claus, John C. Moran, Wanda Green Thompson | 1999-01-05 |
| 5559313 | Categorization of purchased items for each transaction by a smart card | David Michael Claus, Wanda Green Thompson | 1996-09-24 |
| 5310999 | Secure toll collection system for moving vehicles | David Michael Claus, Marjorie E. Taylor | 1994-05-10 |
| 5120939 | Databaseless security system | David Michael Claus, Roy S. Coutinho, James D. Snavley, Kenneth R. Zempol | 1992-06-09 |