The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 3974487 | Magnetic bubble transmission system A magnetic bubble transmission system in which a magnetic bubble is retained in a magnetic thin plate under an appropriate bias magnetic field applied to said magnetic thin plate in a direction perpendicular thereto and in which said magnetic bubble is tr... | 08/10/1976 |
| 3971037 | Magnetic bubble shift register A digital data storage element using magnetic bubbles, or small cylindrical magnetic domains formed in a thin film of magnetic material, in which binary information is stored by providing two alternative positions for a magnetic bubble, a pattern of high ... | 07/20/1976 |
| 3952291 | Readout system for magnetic bubbles A technique for enhancing readout of magnetic bubble data by producing two separate, complementary multiplicities of bubbles representing respectively the presences and the absences of bubbles in a data stream. A pair of detectors register the presence of... | 04/20/1976 |