David R. Mann

Follow

Person

Colchester, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Polyester sublime layers for photographic layers with polyester bases
- Patent number 4,304,851
- Issue date Dec 8, 1981
- Bexford Limited
- Patrick T. McGrail
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polyester coated films using an aqueous polyester dispersion and ph...
- Patent number 4,252,885
- Issue date Feb 24, 1981
- Bexford Limited
- Patrick T. McGrail
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparation of photographic film involving corona treat...
- Patent number 4,135,932
- Issue date Jan 23, 1979
- Bexford Limited
- David R. Mann
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY