Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D474106 | Picture hanger | Erwin Frey | 2003-05-06 |
| 6554753 | Balancing device | James E. Cotter | 2003-04-29 |
| D461397 | Picture hanger | Erwin Frey | 2002-08-13 |
| 6422983 | Inflatable device and method for using the device | — | 2002-07-23 |
| 6375202 | Household cart and method of using same | Erwin Frey | 2002-04-23 |
| 6224072 | Household cart | Erwin Frey | 2001-05-01 |
| 6206334 | Structure for and method of mounting an object on a vertical surface and a laminated backing for such a structure | Steven C. Berenson | 2001-03-27 |
| 6095465 | Structure for and method of mounting an object on a vertical surface and a laminated backing for such a structure | Steven C. Berenson | 2000-08-01 |
| 6059124 | Point of purchase display system and device | Erwin Frey | 2000-05-09 |
| 5460718 | Domestic water treating device including permanent magnet means | Erwin Frey, Fred J. Meyer | 1995-10-24 |
| D360676 | Water treating apparatus for domestic fixtures such as toilet tanks, air conditioners and humidifiers | Steven C. Berenson | 1995-07-25 |