Inventor · disambiguated record
Ralph G. Nasatka
Also filed as: NASATKA RALPH G
8 granted patents·415 citations·filing 1984–1994
91Inventor score
Technology areasE01F
Files withNASATKA RALPH G7
Top patents by PatentIndex Score
8 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
- 0387US5466088AVehicle barrier having a pivotal vehicle barricade and a cooperating pivotal signal barrierFiled 1994·Granted Nov 14, 1995·62 cites·29 claims
- 0486US5228237AVehicle barrierNASATKA RALPH G·Filed 1992·Granted Jul 20, 1993·63 cites·15 claims
- 0586US4850737AHydraulic spring vehicle barricade and hydraulic circuit thereforNASATKA RALPH G·Filed 1988·Granted Jul 25, 1989·57 cites·25 claims
- 0675US4574523AVehicle barricade or maximum security barrierNASATKA RALPH G·Filed 1984·Granted Mar 11, 1986·36 cites·17 claims
- 0769US4818136AHydraulic vehicle barricade and methodNASATKA RALPH G·Filed 1987·Granted Apr 4, 1989·34 cites·22 claims
- 0864US4826349AUnderground vehicle barricadeNASATKA RALPH G·Filed 1987·Granted May 2, 1989·27 cites·21 claims
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