John C. Bergh

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Elkhart, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable device for treating surfaces
- Patent number 4,377,924
- Issue date Mar 29, 1983
- Wheelabrator-Frye Inc.
- John C. Bergh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Portable apparatus for treating surfaces
- Patent number 4,377,922
- Issue date Mar 29, 1983
- Wheelabrator-Frye Inc.
- John C. Bergh
- B24 - GRINDING POLISHING
Information Patent Grant
Surface treating apparatus
- Patent number 4,377,923
- Issue date Mar 29, 1983
- Wheelabrator-Frye Inc.
- John C. Bergh
- B24 - GRINDING POLISHING
Information Patent Grant
Portable surface treating apparatus
- Patent number 4,052,820
- Issue date Oct 11, 1977
- Wheelabrator-Frye, Inc.
- John C. Bergh
- B24 - GRINDING POLISHING
Information Patent Grant
Convertible blast cleaning unit
- Patent number 4,020,596
- Issue date May 3, 1977
- Wheelabrator-Frye, Inc.
- John C. Bergh
- B24 - GRINDING POLISHING
Information Patent Grant
Portable upblast cleaning head
- Patent number 3,934,372
- Issue date Jan 27, 1976
- Wheelabrator-Frye, Inc.
- Philip H. Diehn
- B24 - GRINDING POLISHING