Frederick W. Kufrin

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Janesville, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Oscillating sprinkler
- Patent number 4,877,185
- Issue date Oct 31, 1989
- Western Industries Inc.
- Fred W. Kufrin
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Stamp holding clip and rack therefor
- Patent number 4,534,471
- Issue date Aug 13, 1985
- Schwaab Inc.
- William L. Zahn
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Type band ink stamp
- Patent number 4,492,162
- Issue date Jan 8, 1985
- Schwaab Inc.
- Daniel R. Nettesheim
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cutter for making paper discs
- Patent number 4,426,781
- Issue date Jan 24, 1984
- Badge-A-Minit Ltd.
- Fred Kufrin
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Window shade roller with shade cutting assembly
- Patent number 4,403,415
- Issue date Sep 13, 1983
- Fox Valley Corporation (Breneman Div.)
- Fred W. Kufrin
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Record card feeding apparatus
- Patent number 4,131,273
- Issue date Dec 26, 1978
- OCE'-Industries Inc.
- Fred W. Kufrin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Firecheck
- Patent number 4,015,953
- Issue date Apr 5, 1977
- Waukee Engineering Co.
- Wallace I. Stenzel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...