IP Library › Granted Patent US 4,677,133
Granted Patent Utility
US 4,677,133 · App. 06/820,532

Thermally applied sealants and process

Inventor: Larry F. Leicht
Patented Case View Patent ↗
Granted: Jun 30, 1987 Filed: Jan 17, 1986
Inventor
Larry F. Leicht
Assignee (at issue)
QSO 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 4,677,133
App. No.
06/820,532
Filed
1986-01-17
Granted
1987-06-30
Kind
A