IP Library › Granted Patent US 4,784,152
Granted Patent Utility
US 4,784,152 · App. 07/137,347

Pulse wave detecting apparatus

Inventors: Masayuki Shinoda, William A. Ogletree
Patented Case View Patent ↗
Granted: Nov 15, 1988 Filed: Dec 23, 1987
Inventors
Masayuki Shinoda
William A. Ogletree
Assignee (at issue)
Colin Electronics Co., 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.

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 4,784,152
App. No.
07/137,347
Filed
1987-12-23
Granted
1988-11-15
Kind
A