David W. Hubbard | Researchain

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Featured researches published by David W. Hubbard.

Archive | 1985

Impulse ink jet print head and method of making same

Antonio S. Cruz-Uribe; David W. Hubbard; Gopalan Raman

Archive | 1989

Circuitry for detecting malfunction of ink jet printhead

David W. Hubbard; Ronald P. Sansone

Archive | 1987

Impulse ink jet print head with inclined and stacked arrays

David W. Hubbard

Archive | 1983

Hand held electronic postage meter having secure postage meter doors

David W. Hubbard

Archive | 1987

Apparatus and method of determining the mass of an article by measuring the shift in the period of harmonic motion

Robert A. Cordery; William G Hart; David W. Hubbard; Morton Silverberg

Archive | 1993

Postal finishing kiosk

Ronald P. Sansone; Michael D. O'Hare; Steven M. Kaye; John Hamma; John T. Balga; Fran E. Blackman; David W. Hubbard; Kevin D. Hunter; Wendy F. Jai; Scott Korowotny; Jeffrey D. Pierce

Archive | 1997

Opening fingers for envelope inserting apparatus

John Hamma; Martyn R. House; David W. Hubbard; John R. Nobile

Archive | 1990

SYSTEM AND METHOD FOR PRODUCING ITEMS IN SELECTED CONFIGURATIONS

Walter J. Baker; Michael A. Brown; David W. Hubbard; Samuel W. Martin; Carl A. Miller; William Varson Pickering; Christopher S. Riello; Arthur Rubinstein; Morton Silverberg; Steven A. Supron

Archive | 1981