Issued Patents All Time
Showing 76–100 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7730881 | Portable electric motor driven compressed air projectile launcher | John Witzigreuter | 2010-06-08 |
| 7712462 | Portable electric-driven compressed air gun | John Witzigreuter | 2010-05-11 |
| 6971567 | Electronic control of a cordless fastening tool | Michael F. Cannaliato, Timothy W. French, Terry L. Turner | 2005-12-06 |
| 6857422 | Portable electric driven compressed air gun | John Witzigreuter | 2005-02-22 |
| 6824915 | Air managing systems and methods for gas depolarized power supplies utilizing a diaphragm | — | 2004-11-30 |
| 6794074 | Air manager for metal-air cells | Viet Vu, Paul Cheeseman, Marc Syvertsen, John A. Thompson, John Witzigreuter | 2004-09-21 |
| 6769593 | Synchronous drive pin clutch | John Witzigreuter | 2004-08-03 |
| 6766935 | Modified electrical motor driven nail gun | John Witzigreuter | 2004-07-27 |
| 6759159 | Synthetic jet for admitting and expelling reactant air | Gary E. G. Gray, John Witzigreuter | 2004-07-06 |
| 6705503 | Electrical motor driven nail gun | John Witzigreuter | 2004-03-16 |
| 6604666 | Portable electrical motor driven nail gun | John Witzigreuter | 2003-08-12 |
| 6475658 | Air manager systems for batteries utilizing a diaphragm or bellows | Dennis P. Sieminski, Gary E. G. Gray, John Witzigreuter | 2002-11-05 |
| 6461763 | Battery cartridge | John Witzigreuter | 2002-10-08 |
| 6361294 | Ventilation system for an enclosure | John Witzigreuter, Gary E. G. Gray | 2002-03-26 |
| 6322913 | Air manager control using cell load characteristics as auto-reference | Gary E. G. Gray, Wayne D. Kurle | 2001-11-27 |
| 6265094 | Anode can for a metal-air cell | John Witzigreuter | 2001-07-24 |
| 6248464 | Air-managing system for metal-air battery using resealable septum | John Witzigreuter | 2001-06-19 |
| 6242121 | Primary metal-power source and ventilation system for the same | John Witzigreuter, Gary E. G. Gray | 2001-06-05 |
| 6168877 | Air-managing system for metal-air battery using resealable septum | John Witzigreuter | 2001-01-02 |
| 6106962 | Air manager control using cell voltage as auto-reference | Gary E. G. Gray | 2000-08-22 |
| 6051328 | Method and apparatus for joining metal-air cells | John Witzigreuter | 2000-04-18 |
| 5920179 | System and method for balancing charge cycles for batteries or multiple-cell battery packs | — | 1999-07-06 |
| 5919582 | Diffusion controlled air vent and recirculation air manager for a metal-air battery | John D. Witzigrueter | 1999-07-06 |
| 5891589 | Method and apparatus for joining metal-air cells | John Witzigreuter | 1999-04-06 |
| 5721064 | Air manager system for reducing gas concentrations in a metal-air battery | Lawrence A. Tinker | 1998-02-24 |