Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9649243 | Body lift-assist walker device | John A. Hauck, Odd Osland, Mark Thomas Johnson, Peter M. Bobgan | 2017-05-16 |
| 9561149 | Suspension and body attachment system and differential pressure suit for body weight support devices | John A. Hauck, Odd Osland, Mark Thomas Johnson | 2017-02-07 |
| 9554964 | Suspension and body attachment system and differential pressure suit for body weight support devices | John A. Hauck, Odd Osland, Mark Thomas Johnson | 2017-01-31 |
| 9492258 | Portable system for assisting body movement | John A. Hauck, Odd Osland, Mark Thomas Johnson | 2016-11-15 |
| 9445880 | Portable system for assisting body movement | John A. Hauck, Odd Osland, Mark Thomas Johnson | 2016-09-20 |
| 8663133 | Portable system for assisting body movement | John A. Hauck, Odd Osland, Mark Thomas Johnson | 2014-03-04 |
| 8623795 | Method for maintaining antiwear performance of turbine oils containing polymerized amine antioxidants and for improving the deposit formation resistance performance of turbine oils containing monomeric and/or polymeric antioxidants | Michael R. Douglass, Susan Ardito | 2014-01-07 |
| 8618031 | Method for improving the deposit formation resistance performance of turbine oils containing amine antioxidants | Michael R. Douglass, Susan Ardito | 2013-12-31 |
| 7879778 | Synthetic phenolic ether lubricant base stocks and lubricating oils comprising such base stocks mixed with co-base stocks and/or additives | Marc-Andre Poirier | 2011-02-01 |
| 6321546 | Heat transfer system | Jon Lucas | 2001-11-27 |
| 6218798 | Central vacuum interface for air exchanger | Tamara Price, Mitch Koestner, Vern Cunningham | 2001-04-17 |
| 6052863 | Central vacuum cleaner muffler | Stephen P. Rittmueller, J. Adin Mann, III, David K. Holger | 2000-04-25 |
| 5737797 | Central vacuum with acoustical damping | Stephen P. Rittmueller, Steven D. Lauritsen, J. Adin Mann, III, David K. Holger | 1998-04-14 |
| 5200101 | Arylamine/hindered phenol, acid anhydride and thioester-derived multifunctional antioxidant, antiwear and rust inhibiting additives | Shin-Ying Hsu, Andrew G. Horodysky, David A. Blain | 1993-04-06 |
| 5135670 | Sulfurized olefin extreme pressure/antiwear additives and compositions thereof | Andrew G. Horodysky, William F. Olszewski | 1992-08-04 |
| 4529958 | Electrical resistor | Herman R. Person | 1985-07-16 |
| 4467311 | Electrical resistor | Herman R. Person | 1984-08-21 |
| 4338978 | Lead chloride battery plate | John L. Devitt, Robert S. Willard | 1982-07-13 |