Ernest F. Prescott

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Elgin, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic control system for a street sweeper
- Patent number 4,343,060
- Issue date Aug 10, 1982
- Elgin Sweeper Company
- Donald L. Hildebrand
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Street sweeper having an elevating hopper with supporting outriggers
- Patent number 4,236,756
- Issue date Dec 2, 1980
- Elgin Sweeper Company
- Donald L. Hildebrand
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Spring suspended street sweeper having rear axle spring lockout
- Patent number 4,171,551
- Issue date Oct 23, 1979
- Elgin Sweeper Company
- Donald L. Hildebrand
- B60 - VEHICLES IN GENERAL