JOHN G DZWONCZYK
Engineering in Avon Lake, OH

License number
Massachusetts 49152
Issued Date
May 12, 2011
Expiration Date
Jun 30, 2018
Type
Civil Engineer
Address
Address
Avon Lake, OH 44012

Professional information

John Dzwonczyk Photo 1

Liner For Inlet Of Underground Storage Tanks

US Patent:
D635639, Apr 5, 2011
Filed:
Feb 18, 2009
Appl. No.:
29/332519
Inventors:
John Gregory Dzwonczyk - Avon Lake OH, US
International Classification:
2301
US Classification:
D23206