Assignee
NASATKA RALPH G
7 granted patents·353 citations·filing 1984–1992
Technology mixE01F7
Top patents by PatentIndex Score
7 records- 0189US5288164ACombined vehicle barrierNASATKA RALPH G·Filed 1992·Granted Feb 22, 1994·68 cites·20 claims
- 0288US4630395APortable vehicle barricade or portable maximum security barrierNASATKA RALPH G·Filed 1985·Granted Dec 23, 1986·68 cites·20 claims
- 0386US5228237AVehicle barrierNASATKA RALPH G·Filed 1992·Granted Jul 20, 1993·63 cites·15 claims
- 0486US4850737AHydraulic spring vehicle barricade and hydraulic circuit thereforNASATKA RALPH G·Filed 1988·Granted Jul 25, 1989·57 cites·25 claims
- 0575US4574523AVehicle barricade or maximum security barrierNASATKA RALPH G·Filed 1984·Granted Mar 11, 1986·36 cites·17 claims
- 0669US4818136AHydraulic vehicle barricade and methodNASATKA RALPH G·Filed 1987·Granted Apr 4, 1989·34 cites·22 claims
- 0764US4826349AUnderground vehicle barricadeNASATKA RALPH G·Filed 1987·Granted May 2, 1989·27 cites·21 claims
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