Robert A. Gregor

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New Berlin, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for fabricating an excavator base
- Patent number 6,317,957
- Issue date Nov 20, 2001
- Bucyrus International, Inc.
- Robert A. Gregor
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tread belt and drive having involute gear drive
- Patent number 4,278,301
- Issue date Jul 14, 1981
- Bucyrus-Erie Company
- Robert A. Gregor
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS