Phillip A. Waitkus — 42 Patents at Plastek Engineering

Phillip A. Waitkus has been granted 42 US patents while listed as an inventor at Plastek Engineering. The first was granted in 1981 and the most recent in July 2005. Phillip A. Waitkus ranks #72,062 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Phillip A. Waitkus in Sheboygan, WI, US.

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #	Title	Co-Inventors	Date
6916574	Method for forming a fuel cell electrode using a resole binder	Bohumir Lepeska, Theodore Morrison, Paschal A. Sciarra, Jr.	2005-07-12
6569918	Polymer composition for curing novolac resins	Theodore Morrison	2003-05-27
5750597	Thermosetting resin compositions	—	1998-05-12
5714525	Preparation of friction elements and compositions therefor	Ralph T. Brotz, Paschal A. Sciarra, Jr.	1998-02-03
5360587	Preparation of friction elements and compositions therefor	Ralph T. Brotz, Paschal A. Sciarra, Jr.	1994-11-01
5034497	Thermosetting compositions and molding method	—	1991-07-23
4880893	Novel thermosetting compositions and molding method	—	1989-11-14
4668496	Vitreous carbon	Louis L. Korb	1987-05-26
4656239	Process for the preparation of phenol formaldehyde resole resins	Bohumir Lepeska	1987-04-07
RE32319	Vitreous carbon and process for preparation thereof	Louis L. Korb	1986-12-30
4626569	Process for producing a molded product and the molded product produced thereby	Louis L. Korb	1986-12-02
4624984	Moldable composition suitable for the preparation of vitreous carbon	Louis L. Korb	1986-11-25
4624811	Process for preparing a vitreous carbon	Louis L. Korb	1986-11-25
4550015	Vitreous carbon and process for preparation thereof	Louis L. Korb	1985-10-29
4528349	Polymerization products of vinylacetylene-terminated polyimide derivatives	Gaetano F. D'Alelio	1985-07-09
4528373	Vinylacetylene-terminated polyimide derivatives	Gaetano F. D'Alelio	1985-07-09
4526924	Thermosettable compositions convertible to vitreous carbon and process for preparation thereof	Louis L. Korb	1985-07-02
4520198	Vinylacetylene-terminated polyimide derivatives	Gaetano F. D'Alelio	1985-05-28
4517363	Vinylacetylene-terminated polyimide derivatives	Gaetano F. D'Alelio	1985-05-14
4517364	Vinylacetylene-terminated polyimide derivatives	Gaetano F. D'Alelio	1985-05-14
4451402	Addition products of di-acetylene-terminated polyimide with a diaryl conjugated butadiyne	Gaetano F. D'Alelio	1984-05-29
4451669	Polyimide derivatives having terminal acetylenic groups	Gaetano F. D'Alelio	1984-05-29
4435323	Vinylacetylene-terminated polymide derivatives	Gaetano F. D'Alelio	1984-03-06
4405786	Addition products of di-acetylene-terminated polyimide derivatives and an dienophile having ethylene groups	Gaetano F. D'Alelio	1983-09-20
4405519	Di-Acetylene-terminated polyimide derivatives	Gaetano F. D'Alelio	1983-09-20

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Phillip A. Waitkus — 42 Patents

Issued Patents All Time

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