DeGuiseppi; David T

Patent Applications and Registrations

Patent applications and USPTO patent grants for DeGuiseppi; David T.The latest application filed is for "ventilation system for lamp enclosures".

Company Profile

0.6.5

DeGuiseppi; David T - Chadds Ford PA
DeGuiseppi; David T. - Chadds Ford PA
DeGuiseppi; David T. - Hamden CT
DeGuiseppi; David T. - Wallingford CT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Heated moisture pump having a differential valve area Grant 11,305,227 - Ball , et al. April 19, 2	2022-04-19
Ventilation System For Lamp Enclosures App 20090268475 - Ball; Earl ; et al.	2009-10-29
Venting system for minimizing condensation in a lighting assembly Grant 7,217,314 - DeGuiseppi , et al. May 15, 2	2007-05-15
Venting system for minimizing condensation in a lighting assembly App 20060150817 - DeGuiseppi; David T. ; et al.	2006-07-13
High temperature oleophobic materials App 20050173266 - Agarwal, Vivek ; et al.	2005-08-11
Device for reducing the presence of moisture within an enclosure containing a heat source Grant 6,709,493 - DeGuiseppi , et al. March 23, 2	2004-03-23
High temperature oleophobic materials App 20040026245 - Agarwal, Vivek ; et al.	2004-02-12
Device for reducing the presence of moisture within an enclosure containing a heat source App 20020170437 - DeGuiseppi, David T. ; et al.	2002-11-21
Gas-permeable, liquid-impermeable vent cover Grant 5,522,769 - DeGuiseppi June 4, 1	1996-06-04
Process for the preparation of a foam-cored laminate having metal facers and rigid polyisocyanurate foam core prepared in the presence of a dipolar aprotic organic solvent Grant 4,335,218 - DeGuiseppi June 15, 1	1982-06-15
Polyisocyanurate foams based on esterified DMI oxidation residue additive Grant 4,237,238 - DeGuiseppi , et al. December 2, 1	1980-12-02

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