Peter J. Gerger, Jr. View Extant Instruments View Instruments


Cheltenham, Pennsylvania, 1986.
Classification: Employee or Independent Contractor

Update This Entry
October 30, 2004:

From the OHS PC Database, derived from A Guide to North American Organbuilders, rev. ed., by David H. Fox (Organ Historical Society, 1997). -

Patent awarded to Peter J. Gerger Jr., Cheltenham, Pennsylvania, 1986.

  • Patent #4,586,419; 6 May 1986; duplex valve.;


  • Information taken from the text of a United States patent.

We received the most recent update for this note from Database Manager on April 29, 2019.

Database Specs:

  • 0 Organs
  • 0 Divisions
  • 0 Consoles