IP Library › Granted Patent US 4,182,499
Granted Patent Utility
US 4,182,499 · App. 05/660,646

Macerator pump

Inventor: James M. Kemper
Patented Case View Patent ↗
Granted: Jan 8, 1980 Filed: Feb 23, 1976
Inventor
James M. Kemper
Assignee (at issue)
Monogram Industries 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 4,182,499
App. No.
05/660,646
Filed
1976-02-23
Granted
1980-01-08
Kind
A