...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6114402 | Modified rigid, foamable urethane composition and method A polyurethane composition to provide a rigid polyurethane foam suitable for use as a core material in a composite laminate and which polyurethane composition includes an additive compound or oligomer-prepolymer having hydroxy groups for reaction with the... | 09/05/2000 |
| 5773531 | Unsaturated polyester resin composition A modified acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, like MDI... | 06/30/1998 |
| 5739240 | Modified acrylic urethane prepolymer concentrate and polyester resins containing same A modified acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, like MDI... | 04/14/1998 |
| 5700856 | Peroxide-generating composition for use with unsaturated polyester resins and method of use A peroxide-generating composition for use in curing an unsaturated polyester resin and to the cured unsaturated polyester resin composition so prepared, particularly unsaturated polyester resin compositions containing inert filler materials used prepare a... | 12/23/1997 |