Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8863872 | Electrically powered bumper cars comprising multiple drive wheels and integral hub motors | Henry Gorgas, Michael L. Sweringen | 2014-10-21 |
| 7607500 | Internally electrically powered bumper cars comprising multiple drive wheels and integral hub motors | Michael L. Sweringen, Henry Gorgas | 2009-10-27 |
| 6739479 | Dispensing system | Carl D. Contadini | 2004-05-25 |
| 6581350 | Floor construction for an amusement ride | — | 2003-06-24 |
| 6401384 | Insect bait station | Carl D. Contadini, Nicholas A. Velezis | 2002-06-11 |
| 6347414 | Intelligent demand-based dispensing system | Carl D. Contadini | 2002-02-19 |
| 6296147 | Dispenser | Gary M. Trocola, Carl D. Contadini | 2001-10-02 |
| 6267297 | Programmable dispenser | Carl D. Contadini, Nicholas A. Velezis | 2001-07-31 |
| 6247189 | Inline sanitary conditioning system | Nicholas A. Velezis | 2001-06-19 |
| 6219960 | Insect bait station | Carl D. Contadini, Nicholas A. Velezis | 2001-04-24 |
| 6009567 | Inline sanitary conditioning system | Nicholas A. Velezis | 2000-01-04 |
| 5396939 | Stave machine and method of stave manufacture | Lloyd M. Wetzig | 1995-03-14 |
| 5034737 | Magnetic flex core mechanism and method for making same | George H. Harvey | 1991-07-23 |
| 4324561 | Combustible fuel pellets formed from botanical material | Lloyd M. Helzig | 1982-04-13 |
| 4274026 | Electric rotating machine | Arthur W. Haydon | 1981-06-16 |
| 4241270 | Synchronous electric motor | Arthur W. Haydon | 1980-12-23 |
| 4211740 | Fuel pellets and process for producing fuel pellets from botanical materials | Lloyd M. Wetzig | 1980-07-08 |