IP Library Granted Patent US 4,797,004
Granted Patent Utility
US 4,797,004 · App. 07/101,858

Material mixer

Inventor: Floyd E. Buschbom
Patented Case View Patent ↗
Granted: Jan 10, 1989 Filed: Sep 28, 1987
Inventor
Floyd E. Buschbom
Assignee (at issue)
Vandale, Inc.

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 4,797,004
App. No.
07/101,858
Filed
1987-09-28
Granted
1989-01-10
Kind
A