Robert C. Elfers — 2 Patents at Aro

Robert C. Elfers — 2 Patents

ARAro: 1 patents #29 of 92Top 35%

INIngersoll-Rand: 1 patents #412 of 828Top 50%

Bryan, OH: #38 of 109 inventorsTop 35%

Ohio: #30,551 of 73,341 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

Robert C. Elfers has been granted 2 US patents while listed as an inventor at Aro. All of these patents were granted in 1996. Robert C. Elfers ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert C. Elfers in Bryan, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5584666	Reduced icing air valve	Nicholas Kozumplik, Jr.	1996-12-17	$12,784,000
D370488	Diaphragm pump	Nicholas Kozumplik, Jr., Douglas D. Purdy	1996-06-04

Robert C. Elfers — 2 Patents

Issued Patents All Time

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