| 6315631 |
Method of generating dual track sounds for an electronic toy |
Ralph Beckman, John F. Murphy, Kipp Bradford, Stephen A. Schwartz |
2001-11-13 |
| 6183337 |
Electronic toy and method of generating dual track sounds for the same |
Ralph Beckman, John F. Murphy, Kipp Bradford, Stephen A. Schwartz |
2001-02-06 |
| 6168157 |
Electronic body-bending game |
Ralph Beckman, Howard S. Kamentsky, Kipp Bradford, Stephen A. Schwartz, John F. Murphy |
2001-01-02 |
| 6012961 |
Electronic toy including a reprogrammable data storage device |
Ralph Beckman, Stephen A. Schwartz |
2000-01-11 |
| 5867914 |
Drawing device with multimedia enhancement |
James E. Watson, Ralph Beckman, Brian R. Jones, Larry E. Miller, Stephen A. Schwartz |
1999-02-09 |
| 5851119 |
Interactive story book and methods for operating the same |
Ralph Beckman, Stephen A. Schwartz, Stanley O. Thompson, Dan R. Morrissey |
1998-12-22 |
| D387823 |
Toy pony |
Roseann Radosovitch, Stephen A. Schwartz, Ralph Beckman |
1997-12-16 |
| D382307 |
Remote control sound toy |
Ralph Beckman, Stephen A. Schwartz, Ming Wong |
1997-08-12 |
| 5636995 |
Interactive story book and graphics tablet apparatus and methods for operating the same |
Ralph Beckman, Stephen A. Schwartz, Stanley O. Thompson, Dan R. Morrissey |
1997-06-10 |
| 5583496 |
Mechanical user interface |
Ralph Beckman, Jim McKain, Joseph H. Rice, Thomas Ohanian, Jan Adkins +2 more |
1996-12-10 |
| 5512001 |
Toy vehicle |
Michael Kent, Thomas P. Hamilton, Stephen A. Schwartz, Ralph Beckman, Bryan A. Thurston |
1996-04-30 |
| 5389031 |
Toy assembly |
Ralph Beckman |
1995-02-14 |
| D352278 |
Combined slider and key pad input device for a computer |
Ralph Beckman, Jim McKain, Thomas Ohanian |
1994-11-08 |
| D321400 |
Periodontal probe |
Ralph Beckman, Len Curado, James W. Barfoot |
1991-11-05 |
| 4995403 |
Periodontal probe |
Ralph Beckman, Len Curado, James W. Barfoot |
1991-02-26 |