Inventor Petersen, Nicolai
Invention Door Check
Residence Charleston
Dated 12/20/1887
Patent 375,094
Class 292/229
Assign *
US Patent Office Record http://patft1.uspto.gov/netacgi/nph-Parser?patentnumber=0375094
Local Copy of Patent Docs http://library.clemson.edu/scpatimages/index.php?pn=375094