Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Sun compass










Image Number 7 for United States Patent #4028813.

A sun compass comprises a base, including a transparent hemisphere, a body movable within the base, and a plate including a dial face movable upon the body. Actuating members are connected to the plate and body for selectively moving the plate relative to the body and moving the body relative to the hemisphere. The actuating members are accessible externally of the hemisphere and include rotatable knobs having scales associated therewith for indicating the amount of movement of the plate and body. A transparent hemispherical top is mounted over the base hemisphere.








 
 
  Recently Added Patents
Method for improving the performance of browser-based, formula-driven parametric objects
Apparatus for focus beam analysis of high power lasers
Optical article comprising a temporary anti-fogging coating with improved durability
Test method for inspection device, particularly for label seating inspection device
System and method for configuring software applications in a motor vehicle
Power converter with a variable reference voltage and inrush current limiting
Wireless communication system and wireless communication method
  Randomly Featured Patents
Unscrambling conveyor
Display device
Technology for supporting modification of messages displayed by program
Seedbed preparation implement
Voltage regulator
Protection arrangement for a brushless synchronous machine
Internet facilitated emergency and general paging system
System and method for current splitting for variable gain control
Removable processing cartridge for electrostatographic reproducing apparatus
Cross domain single sign on