Charles E. Hubbard

Follow

Person

Harper Woods, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of converting a single chambered conduit to a multi-chambere...
- Patent number 4,674,167
- Issue date Jun 23, 1987
- Sterling Engineered Products Inc.
- Charles E. Hubbard
- G02 - OPTICS
Information Patent Grant
Underground conduit
- Patent number D285192
- Issue date Aug 19, 1986
- LOF Plastics Inc.
- Charles E. Hubbard
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Apparatus for converting a single chambered conduit to a multi-cham...
- Patent number 4,585,034
- Issue date Apr 29, 1986
- Libbey-Owens-Ford Company
- Charles E. Hubbard
- G02 - OPTICS
Information Patent Grant
Fiber optic duct insert
- Patent number 4,582,093
- Issue date Apr 15, 1986
- Libbey-Owens-Ford Company
- Charles E. Hubbard
- G02 - OPTICS