Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D951550 | Visored helmet | Andrew Roberts | 2022-05-10 |
| D950161 | Visored helmet | Andrew Roberts | 2022-04-26 |
| 11064755 | Safety helmet | Andrew Roberts | 2021-07-20 |
| D907859 | Visored helmet | Andrew Roberts | 2021-01-12 |
| D907860 | Visored helmet | Andrew Roberts | 2021-01-12 |
| 10687574 | Protective headgear | Clive Johnstone | 2020-06-23 |
| D841850 | Helmet illumination device | — | 2019-02-26 |
| D820657 | Extended handle circular saw | — | 2018-06-19 |
| D812313 | Bump cap liner | — | 2018-03-06 |
| D784627 | Bump cap impact pad | — | 2017-04-18 |
| D667590 | Helmet | — | 2012-09-18 |
| D637876 | Etching blade | — | 2011-05-17 |
| D634229 | Security system housing | Reeder N. Ward, Kenneth D. White, Jamie White, James H. Muir | 2011-03-15 |
| D618269 | Security camera pedestal mount | James H. Muir | 2010-06-22 |
| 6635375 | Planar solid oxide fuel cell with staged indirect-internal air and fuel preheating and reformation | Rodney A. Geisbrecht | 2003-10-21 |
| 6623880 | Fuel cell-fuel cell hybrid system | Rodney A. Geisbrecht | 2003-09-23 |
| D421174 | Ornamental novelty hat | — | 2000-02-29 |
| D419749 | Winged novelty hat | — | 2000-02-01 |
| 5541014 | Indirect-fired gas turbine dual fuel cell power cycle | Paul L. Micheli, Frederick A. Sudhoff | 1996-07-30 |
| 5449568 | Indirect-fired gas turbine bottomed with fuel cell | Paul L. Micheli, Edward L. Parsons | 1995-09-12 |
| 5413878 | System and method for networking electrochemical devices | John G. Wimer, David H. Archer | 1995-05-09 |
| 4498246 | Alcohol/heavy liquid drying of coal | Terry S. Cantu | 1985-02-12 |