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
Bull stationery tab
Process for the preparation of protected L-alanine derivatives
Patient programmer with automated MRI compatibility verification for active implantable medical device
User interface for integrating applications on a mobile communication device
Image processing apparatus capable of using replacement component, image forming apparatus capable of using replacement component, and method of administrating replacement component
Braided boomerang pet toy
Method and device for generating low-jitter clock
  Randomly Featured Patents
Universal calling/originating number identification
Cleaning apparatus for a cassette player
Suction filter and fuel supply device
Lan bridge using gate circuits for protecting high-priority packets from low-priority packet transmissions
Snow-making machine
Crutch gauge measuring device
Inspection apparatus for tires
Circuits, systems and methods for improving page accesses and block transfers in a memory system
Messaging service for video game systems with buddy list that displays game being played
Waistpack having quick access/deposit hydration bottle