Calvin N. Wade

ST Steamatic: 5 patents #1 of 3Top 35%

📍 Fort Worth, TX: #424 of 2,247 inventorsTop 20%

🗺 Texas: #28,318 of 125,132 inventorsTop 25%

Overall (All Time): #1,059,823 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
5107568	Duct sweeper	—	1992-04-28
5099543	Pump system for cleaning apparatus	—	1992-03-31
5095578	Vacuum system for cleaning apparatus	—	1992-03-17
4984329	Duct sweeper	—	1991-01-15
4800616	Air powered duct cleaner and crawler	—	1989-01-31