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Richard Alfred Buchroeder
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Tucson, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Plastic optical viewer
Patent number
7,839,581
Issue date
Nov 23, 2010
Sharper Vision Optics, LLC
Richard A. Buchroeder
G02 - OPTICS
Information
Patent Grant
Magnification viewer
Patent number
6,704,142
Issue date
Mar 9, 2004
Kerr Corporation
Charles Howard Caplan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Display apparatus including RGB color combiner and 1D light valve r...
Patent number
6,692,129
Issue date
Feb 17, 2004
Silicon Light Machines
Kenneth P. Gross
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Magnification viewer
Patent number
6,201,640
Issue date
Mar 13, 2001
Surgical Acuity, Inc
Charles Howard Caplan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Light-weight three-element clinical viewer
Patent number
6,163,413
Issue date
Dec 19, 2000
Surgical Acuity, Inc.
Charles Howard Caplan
G02 - OPTICS
Information
Patent Grant
Through-the-lens binocular viewer
Patent number
6,061,189
Issue date
May 9, 2000
Surgical Acuity, Inc.
Charles Howard Caplan
G02 - OPTICS
Information
Patent Grant
Light-weight high-magnification clinical viewer
Patent number
5,790,323
Issue date
Aug 4, 1998
Surgical Acuity, Inc.
Charles Howard Caplan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Autostereoscopic imaging apparatus and method using a parallax scan...
Patent number
5,678,089
Issue date
Oct 14, 1997
Vision III Imaging, Inc.
Aron Bacs
G02 - OPTICS
Information
Patent Grant
Light-weight three-element clinical viewer
Patent number
5,627,690
Issue date
May 6, 1997
Surgical Acuity, Inc.
Charles H. Caplan
G02 - OPTICS
Information
Patent Grant
Light-weight high-magnification clinical viewer
Patent number
5,515,209
Issue date
May 7, 1996
Orascoptic Research, Inc.
Richard A. Buchroeder
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Light-weight three-element clinical viewer
Patent number
5,463,500
Issue date
Oct 31, 1995
Orascoptic Research, Inc.
Richard A. Buchroeder
G02 - OPTICS
Information
Patent Grant
Optical corrector
Patent number
4,964,718
Issue date
Oct 23, 1990
McDonnell Douglas Corporation
John A. Van Hoogstrate
G02 - OPTICS
Information
Patent Grant
Simplified high speed corrected projection lens system for curved i...
Patent number
4,842,394
Issue date
Jun 27, 1989
TDS Patent Management, Inc.
Richard A. Buchroeder
G02 - OPTICS
Information
Patent Grant
Fresnel lens system
Patent number
4,398,810
Issue date
Aug 16, 1983
B Optical
Marvin P. Hodges
G02 - OPTICS
Information
Patent Grant
Catadioptric virtual-zoom optical system
Patent number
4,278,330
Issue date
Jul 14, 1981
Applied Systems Corporation
Richard A. Buchroeder
G02 - OPTICS
Information
Patent Grant
Aspheric projection lens system utilizing concave image
Patent number
4,249,205
Issue date
Feb 3, 1981
Hodges; Marvin P.
Richard A. Buchroeder
G02 - OPTICS
Information
Patent Grant
Fisheye projection lens system for 35mm motion pictures
Patent number
4,070,098
Issue date
Jan 24, 1978
The University of Arizona Foundation
Richard A. Buchroeder
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Magnification viewer
Publication number
20040125444
Publication date
Jul 1, 2004
Kerr Corporation
Charles Howard Caplan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Display apparatus including RGB color combiner and 1D light valve r...
Publication number
20030103194
Publication date
Jun 5, 2003
Kenneth P. Gross
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Magnification viewer
Publication number
20010001249
Publication date
May 17, 2001
Surgical Acuity, Inc.
Charles Howard Caplan
G02 - OPTICS