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Patents Grants
last 30 patents
Information
Patent Grant
Blade stropping apparatus
Patent number
4,752,304
Issue date
Jun 21, 1988
Hacker Instruments, Inc.
Ivan E. Hills
B24 - GRINDING POLISHING
Information
Patent Grant
Blade-holder magazine
Patent number
4,685,564
Issue date
Aug 11, 1987
Hacker Instruments, Inc.
Ivan E. Hills
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for sharpening blade edges
Patent number
4,052,174
Issue date
Oct 4, 1977
Hacker Instruments, Inc.
Felix R. Grat
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75152939 - AUTOSLIPPER
Serial number
75152939
Registration number
2161326
Filing date
Aug 8, 1996
Hacker Instruments Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73356449 - QUALITY H/I COMPARATOR
Serial number
73356449
Filing date
Mar 25, 1982
Hacker Instruments Inc.
Information
Trademark
73356386 - H/I ROTOSCRIBER
Serial number
73356386
Filing date
Mar 25, 1982
Hacker Instruments Inc.
Information
Trademark
73269147 - H/I LUCIDA
Serial number
73269147
Registration number
1167107
Filing date
Jul 7, 1980
Hacker Instruments Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72326276 - H/I
Serial number
72326276
Registration number
902985
Filing date
May 2, 1969
HACKER INSTRUMENTS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments