Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6129277 | Card reader for transmission of data by sound | Alan H. Grant | 2000-10-10 |
| 6095416 | Method and device for preventing unauthorized use of credit cards | Alan H. Grant | 2000-08-01 |
| 5939984 | Combination radio frequency transponder (RF Tag) and magnetic electronic article surveillance (EAS) material | Michael John Brady, Thomas Anthony Cofino, Paul A. Moskowitz, Alejandro G. Schrott, Robert J. von Gutfeld | 1999-08-17 |
| 5909176 | Anti-theft and identification devices for concealing in articles | Alejandro G. Schrott, Robert J. von Gutfeld | 1999-06-01 |
| 5863869 | Thin film high T.sub.c oxide superconductors and method for making the same | Praveen Chaudhari, Roger Hilson Koch, James A. Lacey, Robert Benjamin Laibowitz, Joseph M. Viggiano | 1999-01-26 |
| 5831532 | Identification tags using amorphous wire | Alejandro G. Schrott, Robert J. von Gutfeld | 1998-11-03 |
| 5821859 | Concealed magnetic ID code and antitheft tag | Alejandro G. Schrott, Robert J. von Gutfeld | 1998-10-13 |
| 5812065 | Modulation of the resonant frequency of a circuit using an energy field | Alejandro G. Schrott, Robert J. von Gutfeld | 1998-09-22 |
| 5793711 | Composite magneto-optic memory and media | Nestor A. Bojarczuk, Ralph R. Ruf | 1998-08-11 |
| 5739754 | Circuit antitheft and disabling mechanism | Alejandro G. Schrott, Michael John Brady, Thomas Anthony Cofino, Robert J. von Gutfeld, Harley Heinrich +1 more | 1998-04-14 |
| 5736929 | System for concealed serialization utilizing a soft magnetic antitheft element | Alejandro G. Schrott, Robert J. von Gutfeld | 1998-04-07 |
| 5729201 | Identification tags using amorphous wire | Christopher V. Jahnes, Milan Paunovic, Alejandro G. Schrott, Robert J. von Gutfeld | 1998-03-17 |
| 5680106 | Multibit tag with stepwise variable frequencies | Alejandro G. Schrott, Robert J. von Gutfeld | 1997-10-21 |
| 5612131 | Composite magneto-optic memory and media | Nestor A. Bojarczuk, Ralph R. Ruf | 1997-03-18 |
| 5585140 | Magnetic film patterning by germanium or silicon diffusion | Michael John Brady | 1996-12-17 |
| 5571591 | Magnetic film patterning by germanium or silicon diffusion | Michael John Brady, Ralph R. Ruf | 1996-11-05 |
| 5565847 | Magnetic tag using acoustic or magnetic interrogation | Alejandro G. Schrott, Robert J. von Gutfeld | 1996-10-15 |
| 5565236 | Method of forming a giant magnetoresistance sensor | James M. E. Harper, Thomas R. McGuire, Thomas S. Plaskett | 1996-10-15 |
| 5563583 | Multibit magnetic radio frequency tag using micromechanics | Michael John Brady, Praveen Chaudhari, Harley Heinrich, Paul A. Moskowitz, Alejandro G. Schrott +1 more | 1996-10-08 |
| 5554974 | Encodable tag with radio frequency readout | Michael John Brady, Praveen Chaudhari, Harley Heinrich, Paul A. Moskowitz, Robert J. von Gutfeld | 1996-09-10 |
| 5538803 | Multibit tag using Barkhausen effect | Robert J. von Gutfeld | 1996-07-23 |
| 5534360 | Amorphous uranium alloy and use thereof | Michael McElfresh, Thomas R. McGuire, Thomas S. Plaskett | 1996-07-09 |
| 5463578 | Magneto-optic memory allowing direct overwrite of data | Ralph R. Ruf | 1995-10-31 |
| 5447906 | Thin film high TC oxide superconductors and vapor deposition methods for making the same | Praveen Chaudhari, Roger Hilson Koch, James A. Lacey, Robert Benjamin Laibowitz, Joseph M. Viggiano | 1995-09-05 |
| 5440507 | Diamond-like carbon write-read optical storage memory | Michael John Brady, Bodil E. Braren, Alfred Grill, Vishnubhai V. Patel | 1995-08-08 |