Robert A. Maciejczak

📍 Chicago, IL: #3,897 of 13,327 inventorsTop 30%

🗺 Illinois: #26,653 of 84,256 inventorsTop 35%

Overall (All Time): #1,674,441 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4789947	Inspection system and method for mechanical structures	—	1988-12-06
4552244	Safety support and rescue clamp	—	1985-11-12
4550376	Inspection system for mechanical structures	—	1985-10-29