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
Method of improving sensitivity and interference rejection in wireless receivers
Liquid crystal display device
Sacrificial spacer approach for differential source/drain implantation spacers in transistors comprising a high-k metal gate electrode structure
Watch dial
Capacitance sensing
Piperazinyl methyl phenyl cyclohexane compound
Center spreader adapter tool for toilet paper rolls and paper towel rolls that do not have inner cardboard tubes
  Randomly Featured Patents
Radiopaque guide wire
Apparatus for inputting special character and method for the same
Low-EMI electronic apparatus, low-EMI circuit board, and method of manufacturing the low-EMI circuit board.
Method of catheterization on and bladder drainage
Pixel circuit, display device, and method of manufacturing pixel circuit
Applicator for the application of lip cosmetic
Position and velocity estimation system for adaptive weighting of GPS and dead-reckoning information
Shelf
Method and apparatus for numerically controlled pattern determination
Meshing helical rotors