Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D887554 | Belt bracket of a powered air purifying respirator | Jack Lee Milligan | 2020-06-16 |
| D860546 | Top shell for helmet | Mircea Rosca, Ziqian Wu | 2019-09-17 |
| D857306 | Top of helmet shell | Mircea Rosca, Ziqian Wu | 2019-08-20 |
| D854758 | Headgear of helmet | Mircea Rosca, Ziqian Wu | 2019-07-23 |
| D853044 | Inner shell of a helmet | Mircea Rosca, Ziqian Wu | 2019-07-02 |
| D851841 | Shield holder frame | Mircea Rosca, Ziqian Wu | 2019-06-18 |
| D848077 | Cover lens frame | Mircea Rosca, Ziqian Wu | 2019-05-07 |
| D822210 | Extended battery of a powered air purifying respirator | Jack Lee Milligan | 2018-07-03 |
| D820456 | Belt bracket of powered air purifying respirator | Jack Lee Milligan | 2018-06-12 |
| D820455 | Filter cover of a powered air purifying respirator | Jack Lee Milligan | 2018-06-12 |
| D810299 | Battery of a powered air purifying respirator | Jack Lee Milligan | 2018-02-13 |
| 9555533 | Welding pliers multi-tool | Jason Leach | 2017-01-31 |
| 9021641 | Welder multi-tool | Jason Leach | 2015-05-05 |
| D719432 | Welding multi-tool | Jason Leach | 2014-12-16 |
| D651358 | Welding glove | Michael A. Kindig | 2011-12-27 |
| D651359 | Multi-purpose glove | Michael A. Kindig | 2011-12-27 |
| D643577 | Welding jacket | Michael A. Kindig | 2011-08-16 |
| 7694897 | Integrated multi-function showerhead | James F. Dempsey, Timothy John O'Brien, Harshil Parikh | 2010-04-13 |
| 7374112 | Interleaved multi-function showerhead | James F. Dempsey, Timothy John O'Brien, Harshil Parikh | 2008-05-20 |
| D531931 | Desktop sculpture | — | 2006-11-14 |
| D502124 | Desktop sculpture | — | 2005-02-22 |
| 6779549 | In-line vacuum breaker | Norman Kummerlen | 2004-08-24 |
| 6145626 | Air/oil lubrication system and method for monitoring and controlling air/oil lubrication systems | Raymond J. Niemczura, Sr., Carl A. Gedeon, James R. Mismas | 2000-11-14 |