Granted Patent
Utility
US 5,368,310 · App. 08/046,175
Shovel type game machine
Inventors:
Mitsuru Ogata, Hiroyuki Kobayashi, Toshitake Inagaki, Takashi Masuko, Hiroshi Takeuchi
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Apr 14, 1993
Inventors
Mitsuru Ogata
Hiroyuki Kobayashi
Toshitake Inagaki
Takashi Masuko
Hiroshi Takeuchi
Assignee (at issue)
Namco Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.