Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 5787532 | Internal mattress wall structures interlockingly engageable with mattress innerspring assemblies Internal mattress wall structures interlockingly engageable with mattress innerspring assemblies provide a structurally integrated resilient mattress support edge to which the mattress padding and upholstery is integrally attached. The wall structures inc... | 08/04/1998 |
| 5720471 | Low profile composite material bedding foundation system and methods of manufacture A low profile composite material bedding foundation system and methods of manufacture and assembly uses spring modules made of molded composite materials and supported by inner frame members. The low-profile of the spring modules, and the composite materi... | 02/24/1998 |
| 5435023 | Wire grid attachment member for cushions, seats, foundations and the like A generally dish-shaped or conical-like head member with clips for securely engaging a typical wire grid used in cushions, seats, and bedding products is disclosed, as well as a similar member using cooperating lobe and trough pairs to hold a grid wire th... | 07/25/1995 |
| 5414874 | Attachment member for spring or spring-like element A foot member is disclosed for use in attaching a spring device to a rail for cushions, seats, or foundations for a bedding product. The foot member can straddle and snap into a frame rail, or be stapled or otherwise affixed to a frame rail.... | 05/16/1995 |
| 5239715 | Border stabilizing and reinforcing member for use in mattresses, cushions and the like A rhomboid-shaped member of resilient material for use in the innerspring of a mattress, cushion or the like, is inserted between adjacent springs rows with its major cross sectional axis extending perpendicular to the support surface. When placed as a be... | 08/31/1993 |
| 5133116 | Method of stabilizing and reinforcing a spring border The border of a mattress or other such coil spring assembly is stabilized and reinforced using a continuous length of resilient rope which is wedged between convolutions of adjacent springs a plurality of turns about the perimeter of the coil spring assem... | 07/28/1992 |
| 5054751 | Notched span for press-fit mounted springs A frame for a spring assembly has a plurality of parallel transverse cross rails with mounting slots that form openings through the top portion of the cross rail. Springs are firmly secured to the cross rails by inserting foot portions of the springs into... | 10/08/1991 |
