Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487300 | Pick up tube assembly useful for fluid transfer including liquid transfer in alcoholic beverage brewing operations | — | 2019-11-26 |
| 5890555 | Electric vehicle | — | 1999-04-06 |
| 5535472 | Denture cleaner | — | 1996-07-16 |
| 5503110 | Pet litter separator | — | 1996-04-02 |
| 5101656 | Method and apparatus for oxygen concentration analysis | — | 1992-04-07 |
| 4916630 | Bed tester for molecular sieve oxygen concentrator | — | 1990-04-10 |
| 4880443 | Molecular sieve oxygen concentrator with secondary oxygen purifier | Clarence F. Theis | 1989-11-14 |
| 4813979 | Secondary oxygen purifier for molecular sieve oxygen concentrator | Clarence F. Theis | 1989-03-21 |
| 4802991 | Method and apparatus for water purification | — | 1989-02-07 |
| 4627070 | Asynchronous data bus system | Keith S. Champlin, Ernest C. Preimesberger | 1986-12-02 |
| 4558451 | Tubular singlet delta oxygen generator | William E. McDermott, David E. Ellis, Nicholas R. Pchelkin, David J. Benard, Ralph J. Richardson | 1985-12-10 |
| 4486852 | Synchronous time-shared data bus system | Keith S. Champlin, Ernest C. Preimesberger, Larry Meyer | 1984-12-04 |
| 4434492 | Method and apparatus for iodine vaporization | David J. Benard, Nicholas R. Pchelkin, William E. McDermott, David E. Ellis | 1984-02-28 |
| 4427159 | Holder for spare toilet tissue | George Spector | 1984-01-24 |