Irving H. Hallberg — 3 Patents at Borgwarner

Irving H. Hallberg has been granted 3 US patents while listed as an inventor at Borgwarner. The first was granted in 1980 and the most recent in December 1981. Irving H. Hallberg ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Irving H. Hallberg in Des Plaines, IL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4305892	Carburetor	—	1981-12-15	$2,235,000
4284588	Fuel system	—	1981-08-18	$6,459,000
4231335	Control system for regulating air/fuel ratio	Howard C. Paul, Ronald R. Ralston, Roy E. Hunninghaus	1980-11-04

Irving H. Hallberg — 3 Patents

Issued Patents All Time

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