Title: Burglar alarm
Patent number: 72,786
Date granted: 12/18/1867
View this patent at the USPTO.
Inventor: Lyman Blakeslee
Inventor: Algernon Smith
Title: Burglar alarm
Patent number: 72,786
Date granted: 12/18/1867
View this patent at the USPTO.
Inventor: Lyman Blakeslee
Inventor: Algernon Smith