Inventor · disambiguated record
Charles E. Hubbard
Also filed as: HUBBARD CHARLES E
4 granted patents·140 citations·filing 1983–1986
81Inventor score
Top patents by PatentIndex Score
4 records- 0189US4582093AFiber optic duct insertLOF PLASTICS INC·Filed 1983·Granted Apr 15, 1986·62 cites·6 claims
- 0274US4674167AMethod of converting a single chambered conduit to a multi-chambered conduitSTERLING ENG PRODUCTS INC·Filed 1986·Granted Jun 23, 1987·38 cites·1 claims
- 0372USD285192SUnderground conduitLOF PLASTICS INC·Filed 1983·Granted Aug 19, 1986·13 cites·1 claims
- 0469US4585034AApparatus for converting a single chambered conduit to a multi-chambered conduitLIBBEY OWENS FORD CO·Filed 1985·Granted Apr 29, 1986·27 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →