Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 3940238 | Cleaning structure for an elastomeric fuser member Contact fusing system for utilization in the process of forming toner images on support sheets. The system is characterized by the provision of structure for cleaning toner material from an elastomeric backup member cooperating with a heated fuser member ... | 02/24/1976 |
| 3935836 | Metering blade for a fuser roll An apparatus in which the quantity of release material metered to a heated fuser member is regulated. The apparatus includes a blade positioned in contact with the fuser member to remove excessive release material therefrom.... | 02/03/1976 |
