Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Louis N. Graves Co., Inc. Patents
Assignee:
Louis N. Graves Co., Inc.
Address:
Anoka, MN
No. of patents:
2
Patents:












Patent Number Title Of Patent Date Issued
4272925 Sharpening apparatus June 16, 1981
A sharpening apparatus includes a base and a pair of thin elongated cylindrical sharpening rods of the type that can be made of a ceramic material which is loaded with a strong abrasive. The rods are storable in a compartment provided by the base in side-by-side relationship and in s
4197677 Blade sharpener April 15, 1980
A blade sharpener includes a thin cylindrical sharpening rod made of a ceramic material which is loaded with a strong abrasive. This rod is equipped at each end with a conical guide-guard. Means is provided to position the rod with one hand so that the other hand can be used to draw

 
 
  Recently Added Patents
Memory device and semiconductor device
Pipette device
System and method for associating financial transaction data with user's project data
Image processing apparatus and image processing method
Calcium carbonate granulation
Biaxially oriented film which could be thermally laminated with paper and other substrates
Portable gaming device and gaming system combining both physical and virtual play elements
  Randomly Featured Patents
Method and apparatus for stabilizing adjacent bones
Matrix substrate having wiring lines formed in different wiring layers
Clock signal distribution circuit having a small clock skew
Co-processing of carbonaceous solids and petroleum oil
Cross dipole antenna and composite antenna
Molded deformable shape gasket for molding large gaskets in a deformed shape
Catalyst for epoxidation reactions
Septic tank outlet filter
Textured Bi-based oxide ceramic films
Cathode ray tube having an electron gun constructed for ready refocusing of the electron beam