Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D872905 | Flexible paver restraint | — | 2020-01-14 |
| 9190819 | Fastener assembly and electrical junction box for same | Richard Hugh Schlieker | 2015-11-17 |
| D713355 | Electrical junction box | Richard Hugh Schlieker | 2014-09-16 |
| D711834 | Electrical junction box gasket | — | 2014-08-26 |
| D709835 | Electrical junction box lid | — | 2014-07-29 |
| 7371350 | Oxygen generator | Amanda Jayne Crudace, Peter Hutchinson | 2008-05-13 |
| 5833069 | Inflatable protective container for bottles and the like | — | 1998-11-10 |
| 4500839 | Method and apparatus for monitoring wear particles in a liquid medium | Oh Koang Kwon | 1985-02-19 |
| 4492461 | Wear analysis equipment | Oh Koang Kwon | 1985-01-08 |
| RE30987 | Omnidirectional clock | — | 1982-06-29 |