Inventor

JOHNSTON DONALD LEROY

2 patents

Patents

2 patents

US4058121ANov 15, 1977

Vented needle for medical liquids

AMERICAN HOSPITAL SUPPLY CORP217 citations94

US4027669AJun 7, 1977

Destructible Luer lock syringe and method of destructing same

AMERICAN HOSPITAL SUPPLY CORP56 citations87