Albert V. Crewe — 14 Patents at Arch Development

Albert V. Crewe has been granted 14 US patents while listed as an inventor at Arch Development. The first was granted in 1981 and the most recent in June 2002. Albert V. Crewe ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Albert V. Crewe in Palos Park, IL, US.

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Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6410923	Magnetic lens apparatus for use in high-resolution scanning electron microscopes and lithographic processes	—	2002-06-25
6051839	Magnetic lens apparatus for use in high-resolution scanning electron microscopes and lithographic processes	—	2000-04-18
5818605	Method and apparatus for high resolution sensing of engraving stylus movement	George B. Thiel, Douglas R. Adler, Riyazhassan M. Asaria	1998-10-06	$29,776,000
5563415	Magnetic lens apparatus for a low-voltage high-resolution electron microscope	—	1996-10-08
5336891	Aberration free lens system for electron microscope	—	1994-08-09
5150001	Field emission electron gun and method having complementary passive and active vacuum pumping	—	1992-09-22
5008549	High performance, vacuum compatible electromagnetic lens coil	—	1991-04-16
4833362	Encapsulated high brightness electron beam source and system	—	1989-05-23
4760567	Electron beam memory system with ultra-compact, high current density electron gun	—	1988-07-26
4740705	Axially compact field emission cathode assembly	—	1988-04-26
4725736	Electrostatic electron gun with integrated electron beam deflection and/or stigmating system	—	1988-02-16
4414474	Corrector for axial aberrations in electron optic instruments	—	1983-11-08	$443,000
4389571	Multiple sextupole system for the correction of third and higher order aberration	—	1983-06-21
4303864	Sextupole system for the correction of spherical aberration	David A. Kopf	1981-12-01

Albert V. Crewe — 14 Patents

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