| Patents for Henry K. Spencer |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 1,079,304 | Nov. 18, 1913 | H.K. Spencer | Mounting Of Abrasive Wheels |
| | 1,125,198 | Jan. 19, 1915 | H.K. Spencer | Magnetic Chuck |
| | 1,182,861 | May 09, 1916 | H.K. Spencer | Metal Working Tool |
| | 1,486,844 | Mar. 11, 1924 | H.K. Spencer | Abrasive Wheel Dresser |
| | 1,535,080 | Apr. 21, 1925 | H.K. Spencer | Means For Controlling Feeding Mechanisms |
| | 1,544,695 | Jul. 07, 1925 | H.K. Spencer | Magnetic Holding Device |
| | 1,548,562 | Aug. 04, 1925 | H.K. Spencer | Means For And Method Of Handling Work Pieces |
| | 1,548,563 | Aug. 04, 1925 | H.K. Spencer | Means For Handling Articles |
| | 1,568,024 | Dec. 29, 1925 | H.K. Spencer | Magnetic Holding Device |
| | 1,604,323 | Oct. 26, 1926 | H.K. Spencer | Magnetic Holding Device |
