Inventor
John M. Geppert

John M. Geppert is recorded as inventor on 1 U.S. patent in the PatentGenius reference database, with patent activity dated 1981.
Recorded Patents
- US4287880 — Solar collector (Granted: 1981-09-08)
External Reference
Filing records and full claims text are accessible via the U.S. Patent and Trademark Office: View patents by John M. Geppert on Google Patents.