Manfred W. A. Petzinger

📍 Elizabethtown, KY: #26 of 99 inventorsTop 30%

🗺 Kentucky: #3,369 of 11,577 inventorsTop 30%

Overall (All Time): #1,681,537 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4443994	Bricklayer apparatus	—	1984-04-24
4346002	Waterless vacuum toilet	—	1982-08-24
4333831	Evaporation septic tank sewage system	—	1982-06-08