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Philadelphia, PA, US
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222 NORTH 20TH STREET PHILADELPHIA PA 19103 2154481200
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222 NORTH 20TH STREET PHILADELPHIA PA 19103
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PA
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PA
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Patents Grants
last 30 patents
Information
Patent Grant
Removal of PCBs and other halogenated organic compounds from organi...
Patent number
4,602,994
Issue date
Jul 29, 1986
The Franklin Institute
Louis L. Pytlewski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reagent and method for decomposing organosulfur compounds
Patent number
4,523,043
Issue date
Jun 11, 1985
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Poultice method for extracting hazardous spills
Patent number
4,483,716
Issue date
Nov 20, 1984
The Franklin Institute
Harold L. Heller
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Composition for decomposing halogenated organic compounds
Patent number
4,471,143
Issue date
Sep 11, 1984
The Franklin Institute
Louis L. Pytlewski
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for decomposition of halogenated organic compounds
Patent number
4,460,797
Issue date
Jul 17, 1984
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Self-compensating centrifuge arm
Patent number
4,446,716
Issue date
May 8, 1984
Franklin Institute
Howard M. Fishman
G01 - MEASURING TESTING
Information
Patent Grant
Unitary solar window panel
Patent number
4,443,987
Issue date
Apr 24, 1984
The Franklin Institute
Robert A. Erb
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Variable effect absorption machine and process
Patent number
4,442,677
Issue date
Apr 17, 1984
The Franklin Institute
Kenneth W. Kauffman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for the solvent extraction of polychlorinated biphenyls
Patent number
4,430,208
Issue date
Feb 7, 1984
The Franklin Institute
Louis J. Pytlewski
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method and apparatus for detecting and identifying excessively vibr...
Patent number
4,422,333
Issue date
Dec 27, 1983
The Franklin Institute
Robert L. Leon
G01 - MEASURING TESTING
Information
Patent Grant
Removal of PCBS and other halogenated organic compounds from organi...
Patent number
4,417,977
Issue date
Nov 29, 1983
The Franklin Institute
Louis L. Pytlewski
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Method for decomposition of halogenated organic compounds
Patent number
4,400,552
Issue date
Aug 23, 1983
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
High gradient magnetic separation device
Patent number
4,375,407
Issue date
Mar 1, 1983
The Franklin Institute
Paul L. Kronick
G01 - MEASURING TESTING
Information
Patent Grant
Detection and identification method employing mossbauer isotopes
Patent number
4,363,965
Issue date
Dec 14, 1982
The Franklin Institute
Robert K. Soberman
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of recovering metals from metal containing materials
Patent number
4,349,380
Issue date
Sep 14, 1982
The Franklin Institute
Louis L. Pytlewski
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Motion systems providing three or four degrees of freedom
Patent number
4,343,610
Issue date
Aug 10, 1982
The Franklin Institute
Richard C. Chou
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Non-air-entraining mixer/dispenser
Patent number
4,340,056
Issue date
Jul 20, 1982
The Franklin Institute
Robert A. Erb
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Reagent and method for decomposing halogenated organic compounds
Patent number
4,337,368
Issue date
Jun 29, 1982
The Franklin Institute
Louis L. Pytlewski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
DC Motor control using motor-generator set with controlled generato...
Patent number
4,323,830
Issue date
Apr 6, 1982
The Franklin Institute
Charles A. Belsterling
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Unitary solar collector panel
Patent number
4,271,823
Issue date
Jun 9, 1981
The Franklin Institute
Robert A. Erb
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Batten for mounting a unitary solar collector panel
Patent number
4,212,291
Issue date
Jul 15, 1980
The Franklin Institute
Robert A. Erb
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Header for a solar energy collection system
Patent number
4,178,914
Issue date
Dec 18, 1979
The Franklin Institute
Robert A. Erb
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Garment emblem
Patent number
4,131,955
Issue date
Jan 2, 1979
The Franklin Institute
Thomas I. Haigh
A41 - WEARING APPAREL
Information
Patent Grant
Unitary solar collector
Patent number
4,114,597
Issue date
Sep 19, 1978
The Franklin Institute
Robert Allan Erb
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method and apparatus for non-surgical, reversible sterilization of...
Patent number
RE29345
Issue date
Aug 9, 1977
The Franklin Institute
Robert A. Erb
128 - Surgery
Information
Patent Grant
Device for recording temperature minimums
Patent number
4,028,944
Issue date
Jun 14, 1977
The Franklin Institute
Robert Allan Erb
G01 - MEASURING TESTING
Information
Patent Grant
Method of forming a removable cervical cap
Patent number
4,007,249
Issue date
Feb 8, 1977
The Franklin Institute Research Laboratories
Robert Allan Erb
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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last 30 patents
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Apr 1, 2008
The Franklin Institute
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Franklin Institute, The
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Franklin Institute, The
16 - Paper, cardboard and goods made from these materials, not included in other classes
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The Franklin Institute
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The Franklin Institute
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The Franklin Institute
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75709001 - THE SPORTS CHALLENGE
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May 19, 1999
The Franklin Institute
41 - Education
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75701749 - SCIENCE PULSE
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75701749
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Franklin Institute, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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Franklin Institute, The
41 - Education
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Franklin Institute, The
41 - Education
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73667063 - MUSEUM TO GO!
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Franklin Institute, The
41 - Education
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73667287 - MUSEUM TO GO!
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73667287
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1474133
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Jun 19, 1987
Franklin Institute, The
16 - Paper, cardboard and goods made from these materials, not included in other classes
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73322612 - NAPEG
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1281040
Filing date
Aug 7, 1981
Franklin Institute, The
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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73203989 - TOXALERT
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1144978
Filing date
Feb 15, 1979
Franklin Institute, The
16 - Paper, cardboard and goods made from these materials, not included in other classes
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73157751 - THE FRANKLIN INSTITUTE PRESS
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73157751
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1127673
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Feb 6, 1978
FRANKLIN INSTITUTE, THE
41 - Education
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73056365 - PIPDYN
Serial number
73056365
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1042756
Filing date
Jun 27, 1975
FRANKLIN INSTITUTE, THE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73025274 - FELAP
Serial number
73025274
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1029225
Filing date
Jun 26, 1974
FRANKLIN INSTITUTE, THE
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments