Martin Cooper

Person

Marlow, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Marking diamond
- Patent number 6,187,213
- Issue date Feb 13, 2001
- Gersan Establishment
- James Gordon Charters Smith
- B44 - DECORATIVE ARTS
Information Patent Grant
Examining a diamond
- Patent number 6,014,208
- Issue date Jan 11, 2000
- Gersan Establishment
- Christopher Mark Welbourn
- G01 - MEASURING TESTING
Information Patent Grant
Examining a diamond
- Patent number 5,883,388
- Issue date Mar 16, 1999
- Gersan Establishment
- Martin Phillip Smith
- G01 - MEASURING TESTING
Information Patent Grant
Examining a diamond
- Patent number 5,880,504
- Issue date Mar 9, 1999
- Gersan Establishment
- Martin Phillip Smith
- G01 - MEASURING TESTING
Information Patent Grant
Method and an apparatus for testing whether a diamond has a layer o...
- Patent number 5,811,824
- Issue date Sep 22, 1998
- Gersan Establishment
- Martin Phillip Smith
- G01 - MEASURING TESTING
Information Patent Grant
Detecting diamonds in a rock sample
- Patent number 5,603,414
- Issue date Feb 18, 1997
- Gersan Establishment
- Marie-Line Rooney
- G01 - MEASURING TESTING
Information Patent Grant
Sensing a narrow frequency band and gemstones
- Patent number 5,351,117
- Issue date Sep 27, 1994
- Gersan Establishment
- Andrew D. G. Stewart
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Making an elongate cut using high energy radiation
- Patent number 5,248,877
- Issue date Sep 28, 1993
- Anstalt Gersan
- Martin Cooper
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sensing a narrow frequency band of radiation and gemstones
- Patent number 5,206,699
- Issue date Apr 27, 1993
- Gersan Establishment
- Andrew D. G. Stewart
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Martin Cooper

Person

Patents Grantslast 30 patents

Marking diamond

Examining a diamond

Examining a diamond

Examining a diamond

Method and an apparatus for testing whether a diamond has a layer o...

Detecting diamonds in a rock sample

Sensing a narrow frequency band and gemstones

Making an elongate cut using high energy radiation

Sensing a narrow frequency band of radiation and gemstones