HF

Harold F. Fechtner

BI Beckman Instruments: 5 patents #47 of 431Top 15%
AM Anthony Manufacturing: 1 patents #9 of 32Top 30%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
RM Rain Bird Consumer Products Mfg.: 1 patents #23 of 38Top 65%
📍 Glen Farms, MD: #1 of 1 inventorsTop 100%
🗺 Maryland: #4,049 of 35,612 inventorsTop 15%
Overall (All Time): #670,718 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5075082 Reagent cartridge 1991-12-24
4970053 Reagent cartridge 1990-11-13
D309015 Fluid cartridge for holding reagents in an automated clinical chemistry analyzer Bobby L. Hobbs 1990-07-03
4900513 Sample loading apparatus Stephen F. Barker 1990-02-13
D305360 Fluid cartridge for an automated clinical chemical analyzer 1990-01-02
D277127 Turret top sprinkler Spencer L. Mackay, Cleophus Price 1985-01-08
D277024 Control valve for sprinklers Robert S. Szemeredi 1985-01-01
4181418 Film sheet cassette Bruce Owens 1980-01-01