| 6215981 |
Wireless signal transmission system, method apparatus |
Robert L. Borchardt, Ashok Nawarange, Efrain Rodriguez |
2001-04-10 |
| D388791 |
Outdoor portable speaker |
— |
1998-01-06 |
| 5666658 |
Wireless signal transmission system, method and apparatus |
Robert L. Borchardt, Ashok Nawarange, Efrain Rodriguez |
1997-09-09 |
| D378368 |
Low power transmitter and receiver |
— |
1997-03-11 |
| D363935 |
Molded housing for an antenna |
— |
1995-11-07 |
| 5410735 |
Wireless signal transmission systems, methods and apparatus |
Robert L. Borchardt, Ashok Nawarange, Efrain Rodriguez |
1995-04-25 |
| 5383044 |
Systems, methods and apparatus for transmitting radio frequency remote control signals |
Robert L. Borchardt, Efrain Rodriguez |
1995-01-17 |
| 5349386 |
Wireless signal transmission systems, methods and apparatus |
Robert L. Borchardt, Ashok Nawarange, Efrain Rodriguez |
1994-09-20 |
| 5341263 |
Apparatus for demagnetizing the magnetic head of a cassette tape recording and/or reproducing device |
Robert L. Borchardt |
1994-08-23 |
| 5319716 |
Wireless CD/automobile radio adapter |
— |
1994-06-07 |
| D347219 |
Low power transmitter and receiver |
— |
1994-05-24 |
| 5295058 |
Universal DC to DC power converter |
— |
1994-03-15 |
| 5272525 |
System for local wireless transmission of signals at frequencies above 900 MHz |
Robert L. Borchardt |
1993-12-21 |