Robert E. Farnham

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Asphalt manufacturing assembly
- Patent number 5,294,197
- Issue date Mar 15, 1994
- Asphalt Product Technologies
- Fredric W. Prill
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Counterflow asphalt drum mixer producing less hydrocarbon emissions...
- Patent number 5,054,931
- Issue date Oct 8, 1991
- Barber-Greene Co.
- Robert E. Farnham
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Safety back-up for metering pump control
- Patent number 4,839,571
- Issue date Jun 13, 1989
- Barber-Greene Company
- Robert E. Farnham
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and apparatus for erecting a portable silo and elevator
- Patent number 4,337,014
- Issue date Jun 29, 1982
- Barber-Greene Company
- Robert E. Farnham
- E04 - BUILDING