Mario J. Martinez

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Elgin, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Central rotating terminal for vehicles
- Patent number 4,802,549
- Issue date Feb 7, 1989
- Elgin Sweeper Company
- Mario J. Martinez
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Steering mechanism for vehicle with multiple steering wheels
- Patent number 4,756,552
- Issue date Jul 12, 1988
- Elgin Sweeper Company
- Mario J. Martinez
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Guide wheel suspension for a three wheel sweeper
- Patent number 4,460,186
- Issue date Jul 17, 1984
- Elgin Sweeper Company
- Donald L. Hildebrand
- B60 - VEHICLES IN GENERAL