Inventor
CALLAHAN SHAWN A
US3 patents
Patents
3 patentsUS10519657B1Dec 31, 2019
Systems, devices, and/or methods for managing joists
CALLAHAN ROBERT M4 citations67
US10060118B2Aug 28, 2018
Systems, devices, and/or methods for managing deck installation
CALLAHAN ROBERT M4 citations67
US11473299B1Oct 18, 2022
Systems, devices, and/or methods for building construction
CALLAHAN ROBERT M0 citations46