Title: Medical vacuum chamber
Patent number: 59,388
Date granted: 11/06/1866
Notes: Reissue 3,139 on Sept. 29, 1868.
View this patent at the USPTO.
Inventor: George Hadfield
Title: Medical vacuum chamber
Patent number: 59,388
Date granted: 11/06/1866
Notes: Reissue 3,139 on Sept. 29, 1868.
View this patent at the USPTO.
Inventor: George Hadfield