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Dive into the research topics where Patrick K. Higgins is active.

Publication


Featured researches published by Patrick K. Higgins.


Archive | 2000

Optically variable security devices

Roger W. Phillips; Richard L. Bonkowski; Patrick K. Higgins; Charles T. Markantes


Archive | 2000

Diffractive surfaces with color shifting backgrounds

Richard L. Bonkowski; Patrick K. Higgins; Charles T. Markantes; Roger W. Phillips


Archive | 1994

Polymeric sheet having oriented multilayer interference thin film flakes therein, product using the same and method

Roger W. Phillips; Paul G. Coombs; Patrick K. Higgins; Charles T. Markantes


Archive | 1997

Paired optically variable article with paired optical structures and ink, paint and foil incorporating the same and method

Roger W. Phillips; Charles T. Markantes; Shari Powell Fisher; Robert G. Slusser; Patrick K. Higgins; Anton F. Bleikolm


Archive | 1982

Energy control window film systems and methods for manufacturing the same

Roger W. Phillips; Patrick K. Higgins; Peter H. Berning


Archive | 1995

Paired optically variable article with paired optically variable structures and ink, paint and foil incorporating the same and method

Roger W. Phillips; Charles T. Markantes; Shari Powell Fisher; Robert G. Slusser; Patrick K. Higgins; Anton F. Bleikolm


Archive | 1996

Paired optically variable device with optically variable pigments

Roger W. Phillips; Charles T. Markantes; Shari Powell Fisher; Robert G. Slusser; Patrick K. Higgins; Anton F. Bleikolm


Archive | 2007

Security Device Having A Segmented Layer

Roger W. Phillips; Richard L. Bonkowski; Patrick K. Higgins; Charles T. Markantes


Archive | 1984

Enhanced durability solar insulating window film and assembly using the same

Patrick K. Higgins; Roger W. Phillips; James K. Snyder


Archive | 1995

Polymeric sheet having oriented multilayer interference thin flakes therein

Roger W. Phillips; Paul G. Coombs; Patrick K. Higgins; Charles T. Markantes

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