IP Library Granted Patent US 4,789,054
Granted Patent Utility
US 4,789,054 · App. 07/003,067

Vending machine for returnable cartridges

Inventors: Barry Shore, Michael Schwarzberger
Patented Case View Patent ↗
Granted: Dec 6, 1988 Filed: Jan 14, 1987
Inventors
Barry Shore
Michael Schwarzberger
Assignee (at issue)
ABM Industries Incorporated

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,789,054
App. No.
07/003,067
Filed
1987-01-14
Granted
1988-12-06
Kind
A