Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 273/DIG.31
Name: Amusement devices: games > Undulated surface
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7594777 Wavy tactile walk path Sep. 29, 2009
5445381 All season putting system Aug. 29, 1995
5094569 Ground surface contour modifying apparatus and method Mar. 10, 1992
5074557 Table top football game apparatus Dec. 24, 1991
5069455 Golf putting trainer Dec. 3, 1991
5028052 Golf mat Jul. 2, 1991
5007644 Golf putting practice target Apr. 16, 1991
5002280 Adjustable and folding putting green Mar. 26, 1991
4978127 Selectively contourable putting green Dec. 18, 1990
4898383 Amusement apparatus Feb. 6, 1990
4743027 Golf practice putting device May. 10, 1988
4434983 Golfer's stance mat Mar. 6, 1984
4389048 Apparatus for playing a spectator-controlled game Jun. 21, 1983
4348026 Disc game apparatus Sep. 7, 1982
4198050 Game device with release ramp and scoring recesses Apr. 15, 1980
4053158 Skill-type board game Oct. 11, 1977











 
 
  Recently Added Patents
Device for producing a connection grid with an integrated fuse
Compounds, compositions and use
Liquid crystal display wherein the data lines covered by each pixel electrode are supplied with data signals of opposite polarities
Method and system of channel detecting and reporting, terminal, and management center
Stool
Integrated touch screen
Capacitance sensing
  Randomly Featured Patents
Policy-driven kernel-based security implementation
Oil slurries of carbonaceous materials
Announcement device with virtual recorder
Method of manufacturing diamond-coated cutting tool inserts and products resulting therefrom
Magnetic reading head having a magnetoresistant element and improved polarization means
Work holder support apparatus
Jar holder
Accurate battery current measurement system for a battery care unit
Bypass ring for water filtration modules
Instrument for positioning pictures on a mounting board