Seymour Mermelstein

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Newton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Trephine device for locating and cutting a cylindrical or reverse t...
- Patent number 6,048,353
- Issue date Apr 11, 2000
- L.Vad Technology, Inc.
- Paul S. Freed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tank having fluid flow controlling apparatus
- Patent number 5,367,719
- Issue date Nov 29, 1994
- SwimEx Systems Inc.
- Seymour Mermelstein
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Flow controlling
- Patent number 5,005,228
- Issue date Apr 9, 1991
- Swimex Systems, Inc.
- Seymour Mermelstein
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Variable capacitance pressure transducer
- Patent number 4,499,773
- Issue date Feb 19, 1985
- Dresser Industries, Inc.
- Arthur W. Crampton
- G01 - MEASURING TESTING
Information Patent Grant
Laminar flowmeter
- Patent number 4,497,202
- Issue date Feb 5, 1985
- Dresser Industries, Inc.
- Seymour Mermelstein
- G01 - MEASURING TESTING
Information Patent Grant
Game piece retaining
- Patent number 4,021,045
- Issue date May 3, 1977
- Seymour Mermelstein
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of making a pressure transducer
- Patent number 3,935,636
- Issue date Feb 3, 1976
- Tyco Laboratories, Inc.
- Seymour Mermelstein
- G01 - MEASURING TESTING