Robert R. Hellman Jr.

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Southbury, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Vault ventilator system
- Patent number 5,350,338
- Issue date Sep 27, 1994
- Robert R. Hellman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Personnel safety system for vaults
- Patent number 5,194,039
- Issue date Mar 16, 1993
- Robert R. Hellman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Back support for an electrophoresis gel plate assembly
- Patent number 4,975,170
- Issue date Dec 4, 1990
- Eastman Kodak Company
- Robert R. Hellman
- G01 - MEASURING TESTING
Information Patent Grant
Electrophoresis device with near-vertical gel plates
- Patent number 4,865,715
- Issue date Sep 12, 1989
- Eastman Kodak Co.
- Robert R. Hellman
- G01 - MEASURING TESTING
Information Patent Grant
Electrophoresis device with removable buffer tank
- Patent number 4,828,669
- Issue date May 9, 1989
- Eastman Kodak Company
- Robert R. Hellman
- G01 - MEASURING TESTING
Information Patent Grant
Gel plate assembly for electrophoresis
- Patent number 4,802,969
- Issue date Feb 7, 1989
- Eastman Kodak Company
- Robert R. Hellman
- G01 - MEASURING TESTING
Information Patent Grant
Lockable, rotating electrophoresis device
- Patent number 4,800,010
- Issue date Jan 24, 1989
- Eastman Kodak Company
- Robert R. Hellman
- G01 - MEASURING TESTING