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Warren R. Pitts

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  • Needham, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Erasably, markable articles and methods of making such articles
    • Patent number 5,037,702
    • Issue date Aug 6, 1991
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Index media for loose-leaf notebooks and wirebound notebooks
    • Patent number 5,033,899
    • Issue date Jul 23, 1991
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Erasably markable articles and methods of making such articles
    • Patent number 5,024,898
    • Issue date Jun 18, 1991
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Convertible hanging file folder (1)
    • Patent number 4,979,626
    • Issue date Dec 25, 1990
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Binding tabs
    • Patent number 4,961,666
    • Issue date Oct 9, 1990
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Anti-electric protection
    • Patent number 4,896,001
    • Issue date Jan 23, 1990
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Side binder notebook
    • Patent number 4,848,948
    • Issue date Jul 18, 1989
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Method of mounting index tabs upon stenographic notebooks
    • Patent number 4,840,406
    • Issue date Jun 20, 1989
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Adjustable file folder
    • Patent number 4,830,268
    • Issue date May 16, 1989
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Continuous ring loose leaf notebook
    • Patent number 4,781,485
    • Issue date Nov 1, 1988
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Edge marking of sheets
    • Patent number 4,770,557
    • Issue date Sep 13, 1988
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of binding and reinforcing loose leaf sheets
    • Patent number 4,749,427
    • Issue date Jun 7, 1988
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Multi-vector discharge of static electricity
    • Patent number 4,745,517
    • Issue date May 17, 1988
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clipboard mounted retainer for writing instruments and the like
    • Patent number 4,739,541
    • Issue date Apr 26, 1988
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Antistatic marking
    • Patent number 4,650,360
    • Issue date Mar 17, 1987
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Flexible transparent notebook and the like
    • Patent number 4,629,349
    • Issue date Dec 16, 1986
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Anticounterfeit magnetic metallized labels
    • Patent number 4,511,616
    • Issue date Apr 16, 1985
    • Dennison Mfg. Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Antistatic floormats
    • Patent number 4,491,894
    • Issue date Jan 1, 1985
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Inserts for transparent identification tabs
    • Patent number 4,484,401
    • Issue date Nov 27, 1984
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Electrosensitive printing technique
    • Patent number 4,463,365
    • Issue date Jul 31, 1984
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Antistatic chairmat
    • Patent number 4,415,946
    • Issue date Nov 15, 1983
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Anaerobic process for curing radiation curable compositions
    • Patent number 4,407,856
    • Issue date Oct 4, 1983
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Bottle turner
    • Patent number 4,405,301
    • Issue date Sep 20, 1983
    • Dennison Manufacturing Company
    • Robert M. Jodrey
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Suspension files and binders
    • Patent number 4,400,107
    • Issue date Aug 23, 1983
    • Dennison Manufacturing Company
    • Warren R. Pitts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Label assemblies without die-cutting
    • Patent number 4,022,926
    • Issue date May 10, 1977
    • Dennison Manufacturing Company
    • Allen H. Keough
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Method for making durable overcoated labels
    • Patent number 4,008,115
    • Issue date Feb 15, 1977
    • Dennison Manufacturing Company
    • Daniel F. Fairbanks
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD