-
Aquarium thermometer
-
Patent number D275084
-
Issue date Aug 14, 1984
-
Penn-Plax Plastics, Inc.
-
Marvin A. Goldman
-
D10 - Measuring, testing, or signalling instruments
-
Aquarium thermometer
-
Patent number D258272
-
Issue date Feb 17, 1981
-
Penn-Plax Plastics, Inc.
-
Marvin A. Goldman
-
D10 - Measuring, testing, or signalling instruments
-
Magnetic aquarium thermometer
-
Patent number D256563
-
Issue date Aug 26, 1980
-
Penn-Plax Plastics, Inc.
-
Marvin A. Goldman
-
D10 - Measuring, testing, or signalling instruments
-
Aquarium pump housing
-
Patent number D255354
-
Issue date Jun 10, 1980
-
Penn-Plax Plastics, Inc.
-
Marvin A. Goldman
-
D15 - Machines not elsewhere specified
-
Aquarium thermometer
-
Patent number 4,169,382
-
Issue date Oct 2, 1979
-
Penn-Plax Plastics, Inc.
-
Marvin A. Goldman
-
G01 - MEASURING TESTING
-
Aquarium thermometer
-
Patent number 4,169,378
-
Issue date Oct 2, 1979
-
Penn-Plax Plastics, Inc.
-
Silvio J. DiMarchi
-
G01 - MEASURING TESTING