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John A. Roser — 1 Patent

DIDatcon Instrument: 1 patents #4 of 5Top 80%

Elizabethtown, PA: #79 of 136 inventorsTop 60%

Pennsylvania: #43,533 of 74,527 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

John A. Roser has been granted 1 US patent while listed as an inventor at Datcon Instrument. All of these patents were granted in 1997. John A. Roser ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John A. Roser in Elizabethtown, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D378284	Liquid level sender	Henry G. Grilk, David P. Riegel	1997-03-04

John A. Roser — 1 Patent

Issued Patents All Time

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