Inventor · disambiguated record
Donald Leroy Johnston
Also filed as: JOHNSTON DONALD L · JOHNSTON DONALD LEROY
3 granted patents·521 citations·filing 1976–1978
80Inventor score
Files withAMERICAN HOSPITAL SUPPLY CORP3
Top patents by PatentIndex Score
3 records- 0197US4210173ASyringe pumping system with valvesAMERICAN HOSPITAL SUPPLY CORP·Filed 1978·Granted Jul 1, 1980·248 cites·7 claims
- 0295US4058121AVented needle for medical liquidsAMERICAN HOSPITAL SUPPLY CORP·Filed 1976·Granted Nov 15, 1977·217 cites·13 claims
- 0355US4027669ADestructible Luer lock syringe and method of destructing sameAMERICAN HOSPITAL SUPPLY CORP·Filed 1976·Granted Jun 7, 1977·56 cites·18 claims
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