| D336427 |
Container for helical barbed tape |
— |
1993-06-15 |
| 5074529 |
Clip for forming a concertina configuration of helical barbed tape |
John W. Mainiero, Thomas J. Heinlein |
1991-12-24 |
| 4978943 |
Method and apparatus for making a vibration-responsive intrusion detection barrier |
John W. Mainiero, Thomas J. Heinlein |
1990-12-18 |
| 4906975 |
Vibration responsive intrusion detection barrier |
Anthony Casella, John W. Mainiero, Anthony Zagami |
1990-03-06 |
| 4818972 |
Reinforced barbed tape including electrical sensor |
Anthony Zagami |
1989-04-04 |
| 4718641 |
Barbed tape with reinforced barbs |
— |
1988-01-12 |
| 4503423 |
Extensible and retractable barrier and electromagnetic intrusion detector therefor |
Joseph Mainiero, Arthur T. Stanley |
1985-03-05 |
| 4484729 |
Barrier coil dispenser |
Joseph Mainiero, Arthur T. Stanley |
1984-11-27 |
| RE30814 |
Apparatus and method for forming barbed tape |
— |
1981-12-08 |